./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.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 11fbe230916924754384b4d5f209e2f8e8933dc585a70287035d014e0032f60d --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:37:44,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:37:44,994 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:37:45,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:37:45,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:37:45,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:37:45,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:37:45,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:37:45,032 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:37:45,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:37:45,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:37:45,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:37:45,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:37:45,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:37:45,035 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:37:45,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:37:45,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:37:45,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:37:45,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:37:45,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:37:45,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:37:45,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:37:45,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:37:45,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:37:45,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:37:45,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:37:45,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:37:45,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:37:45,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:37:45,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:37:45,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:37:45,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:37:45,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:37:45,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:37:45,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:37:45,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:37:45,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:37:45,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:37:45,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:37:45,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:37:45,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:37:45,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:37:45,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11fbe230916924754384b4d5f209e2f8e8933dc585a70287035d014e0032f60d [2024-11-09 00:37:45,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:37:45,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:37:45,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:37:45,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:37:45,263 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:37:45,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i [2024-11-09 00:37:46,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:37:46,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:37:46,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i [2024-11-09 00:37:46,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e19cf2e1/5ebedcce0b8d4425aff437316ceb1a36/FLAG3ddfc8d72 [2024-11-09 00:37:47,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e19cf2e1/5ebedcce0b8d4425aff437316ceb1a36 [2024-11-09 00:37:47,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:37:47,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:37:47,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:47,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:37:47,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:37:47,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1898a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47, skipping insertion in model container [2024-11-09 00:37:47,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:37:47,465 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i[916,929] [2024-11-09 00:37:47,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:47,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:37:47,633 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i[916,929] [2024-11-09 00:37:47,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:47,783 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:37:47,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47 WrapperNode [2024-11-09 00:37:47,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:47,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:47,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:37:47,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:37:47,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,852 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 432 [2024-11-09 00:37:47,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:47,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:37:47,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:37:47,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:37:47,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,890 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]. [2024-11-09 00:37:47,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:37:47,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:37:47,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:37:47,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:37:47,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (1/1) ... [2024-11-09 00:37:47,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:37:47,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:37:47,964 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) [2024-11-09 00:37:47,974 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 [2024-11-09 00:37:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:37:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:37:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:37:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:37:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:37:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:37:48,120 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:37:48,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:37:48,770 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-09 00:37:48,770 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:37:48,789 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:37:48,790 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:37:48,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:48 BoogieIcfgContainer [2024-11-09 00:37:48,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:37:48,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:37:48,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:37:48,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:37:48,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:37:47" (1/3) ... [2024-11-09 00:37:48,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d14e55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:37:48, skipping insertion in model container [2024-11-09 00:37:48,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:47" (2/3) ... [2024-11-09 00:37:48,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d14e55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:37:48, skipping insertion in model container [2024-11-09 00:37:48,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:48" (3/3) ... [2024-11-09 00:37:48,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-24.i [2024-11-09 00:37:48,815 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:37:48,816 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:37:48,901 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:37:48,910 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;@2dcecc2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:37:48,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:37:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 135 states have (on average 1.5185185185185186) internal successors, (205), 136 states have internal predecessors, (205), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 00:37:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-09 00:37:48,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:48,939 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:48,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:48,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:48,945 INFO L85 PathProgramCache]: Analyzing trace with hash 999308583, now seen corresponding path program 1 times [2024-11-09 00:37:48,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:48,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659746661] [2024-11-09 00:37:48,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:48,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:37:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:37:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:37:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:37:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:37:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:37:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:37:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:37:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:37:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:37:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:37:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:37:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:37:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:37:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:37:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:37:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:37:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:49,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:37:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:37:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:37:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:37:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:37:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:37:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:37:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:37:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:37:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:37:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:37:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:37:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:37:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:37:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:37:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:37:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:37:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:37:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:37:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:37:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:37:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:37:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:37:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:37:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:37:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:37:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:37:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:37:50,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:37:50,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659746661] [2024-11-09 00:37:50,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659746661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:37:50,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:37:50,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:37:50,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379380890] [2024-11-09 00:37:50,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:37:50,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:37:50,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:37:50,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:37:50,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:37:50,212 INFO L87 Difference]: Start difference. First operand has 182 states, 135 states have (on average 1.5185185185185186) internal successors, (205), 136 states have internal predecessors, (205), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:37:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:50,549 INFO L93 Difference]: Finished difference Result 533 states and 958 transitions. [2024-11-09 00:37:50,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:37:50,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 298 [2024-11-09 00:37:50,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:50,597 INFO L225 Difference]: With dead ends: 533 [2024-11-09 00:37:50,598 INFO L226 Difference]: Without dead ends: 354 [2024-11-09 00:37:50,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:37:50,608 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 219 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:50,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 827 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:37:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-09 00:37:50,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 263. [2024-11-09 00:37:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 172 states have (on average 1.4127906976744187) internal successors, (243), 172 states have internal predecessors, (243), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-09 00:37:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 419 transitions. [2024-11-09 00:37:50,691 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 419 transitions. Word has length 298 [2024-11-09 00:37:50,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:37:50,693 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 419 transitions. [2024-11-09 00:37:50,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:37:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 419 transitions. [2024-11-09 00:37:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-09 00:37:50,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:50,702 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:50,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:37:50,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:50,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:50,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1950101936, now seen corresponding path program 1 times [2024-11-09 00:37:50,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:50,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942115983] [2024-11-09 00:37:50,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:50,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:37:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:37:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:37:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:37:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:37:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:37:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:37:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:37:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:37:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:37:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:37:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:37:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:37:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:37:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:37:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:37:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:37:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:37:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:37:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:37:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:37:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:37:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:37:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:37:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:37:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:37:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:37:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:37:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:37:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:37:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:37:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:37:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:37:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:37:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:37:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:37:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:37:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:37:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:37:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:37:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:37:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:37:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:37:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:37:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:37:50,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:37:50,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942115983] [2024-11-09 00:37:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942115983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:37:50,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:37:50,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:37:50,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026323744] [2024-11-09 00:37:50,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:37:51,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:37:51,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:37:51,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:37:51,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:37:51,003 INFO L87 Difference]: Start difference. First operand 263 states and 419 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:37:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:51,120 INFO L93 Difference]: Finished difference Result 597 states and 955 transitions. [2024-11-09 00:37:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:37:51,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 299 [2024-11-09 00:37:51,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:51,129 INFO L225 Difference]: With dead ends: 597 [2024-11-09 00:37:51,129 INFO L226 Difference]: Without dead ends: 422 [2024-11-09 00:37:51,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:37:51,132 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 250 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:51,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 676 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:37:51,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-09 00:37:51,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 318. [2024-11-09 00:37:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 227 states have (on average 1.4361233480176212) internal successors, (326), 227 states have internal predecessors, (326), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-09 00:37:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 502 transitions. [2024-11-09 00:37:51,189 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 502 transitions. Word has length 299 [2024-11-09 00:37:51,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:37:51,190 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 502 transitions. [2024-11-09 00:37:51,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:37:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 502 transitions. [2024-11-09 00:37:51,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-09 00:37:51,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:51,197 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:51,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:37:51,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:51,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:51,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1250126474, now seen corresponding path program 1 times [2024-11-09 00:37:51,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:51,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598966093] [2024-11-09 00:37:51,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:51,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:37:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:37:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:37:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:37:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:37:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:37:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:37:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:37:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:37:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:37:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:37:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:37:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:37:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:37:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:37:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:37:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:37:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:37:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:37:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:37:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:37:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:37:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:37:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:37:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:37:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:37:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:37:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:37:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:37:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:37:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:37:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:37:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:37:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:37:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:37:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:37:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:37:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:37:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:37:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:37:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:37:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:37:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:37:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:37:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:37:51,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:37:51,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598966093] [2024-11-09 00:37:51,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598966093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:37:51,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:37:51,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:37:51,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413990315] [2024-11-09 00:37:51,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:37:51,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:37:51,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:37:51,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:37:51,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:37:51,496 INFO L87 Difference]: Start difference. First operand 318 states and 502 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:37:51,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:51,594 INFO L93 Difference]: Finished difference Result 652 states and 1028 transitions. [2024-11-09 00:37:51,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:37:51,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 299 [2024-11-09 00:37:51,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:51,600 INFO L225 Difference]: With dead ends: 652 [2024-11-09 00:37:51,600 INFO L226 Difference]: Without dead ends: 422 [2024-11-09 00:37:51,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:37:51,602 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 248 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:51,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 500 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:37:51,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-09 00:37:51,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 318. [2024-11-09 00:37:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 227 states have (on average 1.3920704845814977) internal successors, (316), 227 states have internal predecessors, (316), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-09 00:37:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 492 transitions. [2024-11-09 00:37:51,631 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 492 transitions. Word has length 299 [2024-11-09 00:37:51,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:37:51,631 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 492 transitions. [2024-11-09 00:37:51,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:37:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 492 transitions. [2024-11-09 00:37:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 00:37:51,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:51,635 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:51,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 00:37:51,635 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:51,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:51,636 INFO L85 PathProgramCache]: Analyzing trace with hash 103102257, now seen corresponding path program 1 times [2024-11-09 00:37:51,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:51,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515935799] [2024-11-09 00:37:51,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:51,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:37:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:37:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:37:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:37:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:37:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:37:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:37:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:37:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:37:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:37:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:37:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:37:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:37:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:37:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:37:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:37:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:37:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:37:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:37:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:37:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:37:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:37:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:37:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:37:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:37:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:37:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:37:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:37:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:37:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:37:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:37:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:37:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:37:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:37:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:37:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:37:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:37:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:37:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:37:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:37:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:37:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:37:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:37:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:37:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:37:51,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:37:51,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515935799] [2024-11-09 00:37:51,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515935799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:37:51,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:37:51,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:37:51,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638975273] [2024-11-09 00:37:51,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:37:51,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:37:51,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:37:51,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:37:51,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:37:51,974 INFO L87 Difference]: Start difference. First operand 318 states and 492 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:37:52,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:52,035 INFO L93 Difference]: Finished difference Result 779 states and 1205 transitions. [2024-11-09 00:37:52,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:37:52,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 300 [2024-11-09 00:37:52,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:52,039 INFO L225 Difference]: With dead ends: 779 [2024-11-09 00:37:52,039 INFO L226 Difference]: Without dead ends: 549 [2024-11-09 00:37:52,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:37:52,042 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 187 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:52,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 535 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:37:52,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-09 00:37:52,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 545. [2024-11-09 00:37:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 409 states have (on average 1.41320293398533) internal successors, (578), 409 states have internal predecessors, (578), 132 states have call successors, (132), 3 states have call predecessors, (132), 3 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-09 00:37:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 842 transitions. [2024-11-09 00:37:52,093 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 842 transitions. Word has length 300 [2024-11-09 00:37:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:37:52,094 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 842 transitions. [2024-11-09 00:37:52,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:37:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 842 transitions. [2024-11-09 00:37:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 00:37:52,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:52,099 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:52,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 00:37:52,099 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:52,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:52,100 INFO L85 PathProgramCache]: Analyzing trace with hash -2140881041, now seen corresponding path program 1 times [2024-11-09 00:37:52,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:52,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296744139] [2024-11-09 00:37:52,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:52,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:37:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:37:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:37:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:37:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:37:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:37:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:37:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:37:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:37:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:37:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:37:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:37:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:37:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:37:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:37:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:37:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:37:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:37:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:37:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:37:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:37:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:37:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:37:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:37:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:37:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:37:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:37:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:37:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:37:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:37:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:37:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:37:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:37:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:37:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:37:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:37:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:37:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:37:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:37:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:37:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:54,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:37:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:54,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:37:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:54,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:37:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:54,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:37:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:54,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:37:54,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:37:54,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296744139] [2024-11-09 00:37:54,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296744139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:37:54,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:37:54,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 00:37:54,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393435270] [2024-11-09 00:37:54,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:37:54,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 00:37:54,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:37:54,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 00:37:54,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:37:54,039 INFO L87 Difference]: Start difference. First operand 545 states and 842 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-09 00:37:54,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:54,742 INFO L93 Difference]: Finished difference Result 1495 states and 2294 transitions. [2024-11-09 00:37:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 00:37:54,743 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 300 [2024-11-09 00:37:54,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:54,748 INFO L225 Difference]: With dead ends: 1495 [2024-11-09 00:37:54,749 INFO L226 Difference]: Without dead ends: 1039 [2024-11-09 00:37:54,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-09 00:37:54,751 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 825 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:54,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 1583 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 00:37:54,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-11-09 00:37:54,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 899. [2024-11-09 00:37:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 735 states have (on average 1.4489795918367347) internal successors, (1065), 737 states have internal predecessors, (1065), 158 states have call successors, (158), 5 states have call predecessors, (158), 5 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-09 00:37:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1381 transitions. [2024-11-09 00:37:54,809 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1381 transitions. Word has length 300 [2024-11-09 00:37:54,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:37:54,810 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1381 transitions. [2024-11-09 00:37:54,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-09 00:37:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1381 transitions. [2024-11-09 00:37:54,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 00:37:54,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:54,814 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:54,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 00:37:54,814 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:54,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:54,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2078841427, now seen corresponding path program 1 times [2024-11-09 00:37:54,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:54,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077155238] [2024-11-09 00:37:54,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:54,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:37:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:37:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:37:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:37:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:37:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:37:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:37:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:37:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:37:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:37:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:37:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:37:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:37:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:37:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:37:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:37:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:37:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:37:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:37:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:37:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:37:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:37:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:37:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:37:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:37:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:37:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:37:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:37:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:37:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:37:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:37:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:37:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:37:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:37:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:37:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:37:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:37:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:37:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:37:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:37:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:37:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:37:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:37:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:37:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 39 proven. 90 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-11-09 00:37:55,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:37:55,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077155238] [2024-11-09 00:37:55,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077155238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:37:55,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830432789] [2024-11-09 00:37:55,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:55,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:37:55,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:37:55,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:37:55,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:37:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:56,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:37:56,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1629 proven. 90 refuted. 0 times theorem prover too weak. 2065 trivial. 0 not checked. [2024-11-09 00:37:56,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:37:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 39 proven. 90 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-11-09 00:37:57,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830432789] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:37:57,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:37:57,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-11-09 00:37:57,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698455456] [2024-11-09 00:37:57,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:37:57,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 00:37:57,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:37:57,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 00:37:57,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-09 00:37:57,224 INFO L87 Difference]: Start difference. First operand 899 states and 1381 transitions. Second operand has 16 states, 15 states have (on average 11.2) internal successors, (168), 16 states have internal predecessors, (168), 6 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 6 states have call successors, (132) [2024-11-09 00:37:58,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:58,131 INFO L93 Difference]: Finished difference Result 1807 states and 2764 transitions. [2024-11-09 00:37:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 00:37:58,132 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.2) internal successors, (168), 16 states have internal predecessors, (168), 6 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 6 states have call successors, (132) Word has length 300 [2024-11-09 00:37:58,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:58,137 INFO L225 Difference]: With dead ends: 1807 [2024-11-09 00:37:58,138 INFO L226 Difference]: Without dead ends: 1151 [2024-11-09 00:37:58,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 680 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2024-11-09 00:37:58,140 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 977 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:58,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 2071 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 00:37:58,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-09 00:37:58,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 703. [2024-11-09 00:37:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 566 states have (on average 1.4505300353356891) internal successors, (821), 566 states have internal predecessors, (821), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-09 00:37:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1085 transitions. [2024-11-09 00:37:58,224 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1085 transitions. Word has length 300 [2024-11-09 00:37:58,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:37:58,225 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1085 transitions. [2024-11-09 00:37:58,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.2) internal successors, (168), 16 states have internal predecessors, (168), 6 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 6 states have call successors, (132) [2024-11-09 00:37:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1085 transitions. [2024-11-09 00:37:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 00:37:58,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:58,229 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:58,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:58,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 00:37:58,431 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:58,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:58,431 INFO L85 PathProgramCache]: Analyzing trace with hash 782278957, now seen corresponding path program 1 times [2024-11-09 00:37:58,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:58,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953363081] [2024-11-09 00:37:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:58,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:37:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:37:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:37:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:37:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:37:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:37:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:37:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:37:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:37:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:37:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:37:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:37:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:37:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:37:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:37:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:37:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:37:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:37:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:37:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:37:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:37:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:37:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:37:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:37:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:37:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:37:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:37:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:37:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:37:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:37:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:37:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:37:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:37:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:37:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:37:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:37:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:37:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:37:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:37:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:37:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:37:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:37:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:37:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:37:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:59,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:37:59,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:37:59,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953363081] [2024-11-09 00:37:59,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953363081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:37:59,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:37:59,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 00:37:59,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256992275] [2024-11-09 00:37:59,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:37:59,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 00:37:59,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:37:59,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 00:37:59,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:37:59,193 INFO L87 Difference]: Start difference. First operand 703 states and 1085 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-09 00:37:59,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:59,435 INFO L93 Difference]: Finished difference Result 1647 states and 2543 transitions. [2024-11-09 00:37:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:37:59,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 300 [2024-11-09 00:37:59,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:59,441 INFO L225 Difference]: With dead ends: 1647 [2024-11-09 00:37:59,441 INFO L226 Difference]: Without dead ends: 1159 [2024-11-09 00:37:59,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:37:59,444 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 228 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:59,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 960 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:37:59,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2024-11-09 00:37:59,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1013. [2024-11-09 00:37:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 786 states have (on average 1.4236641221374047) internal successors, (1119), 786 states have internal predecessors, (1119), 220 states have call successors, (220), 6 states have call predecessors, (220), 6 states have return successors, (220), 220 states have call predecessors, (220), 220 states have call successors, (220) [2024-11-09 00:37:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1559 transitions. [2024-11-09 00:37:59,496 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1559 transitions. Word has length 300 [2024-11-09 00:37:59,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:37:59,497 INFO L471 AbstractCegarLoop]: Abstraction has 1013 states and 1559 transitions. [2024-11-09 00:37:59,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-09 00:37:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1559 transitions. [2024-11-09 00:37:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 00:37:59,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:59,500 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:59,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 00:37:59,500 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:59,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:59,501 INFO L85 PathProgramCache]: Analyzing trace with hash 844318571, now seen corresponding path program 1 times [2024-11-09 00:37:59,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:59,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233636045] [2024-11-09 00:37:59,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:38:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:38:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:38:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:38:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:38:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:38:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:38:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:38:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:38:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:38:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:38:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:38:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:38:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:38:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:38:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:38:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:38:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:38:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:38:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:38:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:38:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:38:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:38:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:38:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:38:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:38:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:38:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:38:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:38:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:38:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:38:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:38:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:38:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:38:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:38:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:38:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:38:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:38:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:38:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:38:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:38:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:38:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:38:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:38:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 81 proven. 171 refuted. 0 times theorem prover too weak. 3532 trivial. 0 not checked. [2024-11-09 00:38:02,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:38:02,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233636045] [2024-11-09 00:38:02,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233636045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:38:02,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050619221] [2024-11-09 00:38:02,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:38:02,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:38:02,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:38:02,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:38:02,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 00:38:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:02,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:38:02,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2596 proven. 111 refuted. 0 times theorem prover too weak. 1077 trivial. 0 not checked. [2024-11-09 00:38:04,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:38:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 141 proven. 114 refuted. 0 times theorem prover too weak. 3529 trivial. 0 not checked. [2024-11-09 00:38:04,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050619221] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:38:04,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:38:04,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 37 [2024-11-09 00:38:04,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926936482] [2024-11-09 00:38:04,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:38:04,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-09 00:38:04,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:38:04,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-09 00:38:04,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1142, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 00:38:04,903 INFO L87 Difference]: Start difference. First operand 1013 states and 1559 transitions. Second operand has 37 states, 33 states have (on average 6.636363636363637) internal successors, (219), 36 states have internal predecessors, (219), 15 states have call successors, (132), 6 states have call predecessors, (132), 10 states have return successors, (132), 11 states have call predecessors, (132), 15 states have call successors, (132) [2024-11-09 00:38:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:38:16,529 INFO L93 Difference]: Finished difference Result 7229 states and 10784 transitions. [2024-11-09 00:38:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-09 00:38:16,530 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 33 states have (on average 6.636363636363637) internal successors, (219), 36 states have internal predecessors, (219), 15 states have call successors, (132), 6 states have call predecessors, (132), 10 states have return successors, (132), 11 states have call predecessors, (132), 15 states have call successors, (132) Word has length 300 [2024-11-09 00:38:16,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:38:16,558 INFO L225 Difference]: With dead ends: 7229 [2024-11-09 00:38:16,558 INFO L226 Difference]: Without dead ends: 6317 [2024-11-09 00:38:16,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4997 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=2660, Invalid=12592, Unknown=0, NotChecked=0, Total=15252 [2024-11-09 00:38:16,565 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 6881 mSDsluCounter, 3137 mSDsCounter, 0 mSdLazyCounter, 3515 mSolverCounterSat, 2233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6932 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 5748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2233 IncrementalHoareTripleChecker+Valid, 3515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:38:16,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6932 Valid, 3339 Invalid, 5748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2233 Valid, 3515 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-09 00:38:16,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6317 states. [2024-11-09 00:38:16,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6317 to 2431. [2024-11-09 00:38:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2431 states, 1951 states have (on average 1.4085084572014352) internal successors, (2748), 1955 states have internal predecessors, (2748), 448 states have call successors, (448), 31 states have call predecessors, (448), 31 states have return successors, (448), 444 states have call predecessors, (448), 448 states have call successors, (448) [2024-11-09 00:38:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 3644 transitions. [2024-11-09 00:38:16,846 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 3644 transitions. Word has length 300 [2024-11-09 00:38:16,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:38:16,847 INFO L471 AbstractCegarLoop]: Abstraction has 2431 states and 3644 transitions. [2024-11-09 00:38:16,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 33 states have (on average 6.636363636363637) internal successors, (219), 36 states have internal predecessors, (219), 15 states have call successors, (132), 6 states have call predecessors, (132), 10 states have return successors, (132), 11 states have call predecessors, (132), 15 states have call successors, (132) [2024-11-09 00:38:16,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 3644 transitions. [2024-11-09 00:38:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 00:38:16,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:38:16,852 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:38:16,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:17,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 00:38:17,057 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:38:17,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:38:17,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1793529643, now seen corresponding path program 1 times [2024-11-09 00:38:17,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:38:17,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744108797] [2024-11-09 00:38:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:38:17,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:38:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:38:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:38:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:38:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:38:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:38:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:38:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:38:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:38:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:38:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:38:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:38:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:38:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:38:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:38:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:38:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:38:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:38:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:17,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:38:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:38:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:38:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:38:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:38:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:38:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:38:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:38:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:38:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:38:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:38:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:38:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:38:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:38:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:38:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:38:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:38:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:38:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:38:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:38:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:38:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:38:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:38:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:38:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:38:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:38:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:38:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 51 proven. 78 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-11-09 00:38:18,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:38:18,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744108797] [2024-11-09 00:38:18,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744108797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:38:18,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408458304] [2024-11-09 00:38:18,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:38:18,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:38:18,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:38:18,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:38:18,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 00:38:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 00:38:18,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2001 proven. 324 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked. [2024-11-09 00:38:19,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:38:35,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 156 proven. 342 refuted. 0 times theorem prover too weak. 3286 trivial. 0 not checked. [2024-11-09 00:38:35,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408458304] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:38:35,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:38:35,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16, 17] total 39 [2024-11-09 00:38:35,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182347669] [2024-11-09 00:38:35,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:38:35,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-09 00:38:35,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:38:35,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-09 00:38:35,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 00:38:35,709 INFO L87 Difference]: Start difference. First operand 2431 states and 3644 transitions. Second operand has 39 states, 36 states have (on average 5.888888888888889) internal successors, (212), 35 states have internal predecessors, (212), 13 states have call successors, (132), 6 states have call predecessors, (132), 13 states have return successors, (132), 12 states have call predecessors, (132), 13 states have call successors, (132) [2024-11-09 00:38:52,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:38:52,685 INFO L93 Difference]: Finished difference Result 18527 states and 27456 transitions. [2024-11-09 00:38:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-09 00:38:52,686 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 36 states have (on average 5.888888888888889) internal successors, (212), 35 states have internal predecessors, (212), 13 states have call successors, (132), 6 states have call predecessors, (132), 13 states have return successors, (132), 12 states have call predecessors, (132), 13 states have call successors, (132) Word has length 300 [2024-11-09 00:38:52,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:38:52,741 INFO L225 Difference]: With dead ends: 18527 [2024-11-09 00:38:52,741 INFO L226 Difference]: Without dead ends: 16221 [2024-11-09 00:38:52,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 670 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5749 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=2980, Invalid=12770, Unknown=0, NotChecked=0, Total=15750 [2024-11-09 00:38:52,757 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 6819 mSDsluCounter, 3993 mSDsCounter, 0 mSdLazyCounter, 5649 mSolverCounterSat, 1596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6844 SdHoareTripleChecker+Valid, 4245 SdHoareTripleChecker+Invalid, 7245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1596 IncrementalHoareTripleChecker+Valid, 5649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:38:52,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6844 Valid, 4245 Invalid, 7245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1596 Valid, 5649 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-09 00:38:52,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16221 states. [2024-11-09 00:38:54,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16221 to 8857. [2024-11-09 00:38:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8857 states, 7191 states have (on average 1.379224030037547) internal successors, (9918), 7213 states have internal predecessors, (9918), 1538 states have call successors, (1538), 127 states have call predecessors, (1538), 127 states have return successors, (1538), 1516 states have call predecessors, (1538), 1538 states have call successors, (1538) [2024-11-09 00:38:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8857 states to 8857 states and 12994 transitions. [2024-11-09 00:38:54,116 INFO L78 Accepts]: Start accepts. Automaton has 8857 states and 12994 transitions. Word has length 300 [2024-11-09 00:38:54,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:38:54,116 INFO L471 AbstractCegarLoop]: Abstraction has 8857 states and 12994 transitions. [2024-11-09 00:38:54,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 36 states have (on average 5.888888888888889) internal successors, (212), 35 states have internal predecessors, (212), 13 states have call successors, (132), 6 states have call predecessors, (132), 13 states have return successors, (132), 12 states have call predecessors, (132), 13 states have call successors, (132) [2024-11-09 00:38:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 8857 states and 12994 transitions. [2024-11-09 00:38:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 00:38:54,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:38:54,122 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:38:54,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:54,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:38:54,323 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:38:54,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:38:54,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1867588926, now seen corresponding path program 1 times [2024-11-09 00:38:54,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:38:54,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885137856] [2024-11-09 00:38:54,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:38:54,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:38:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:38:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:38:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:38:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:38:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:38:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:38:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:38:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:38:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:38:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:38:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:38:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:38:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:38:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:38:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:38:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:38:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:38:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:38:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:38:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:38:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:38:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:38:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:38:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:38:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:38:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:38:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:38:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:38:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:38:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:38:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:38:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:38:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:38:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:38:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:38:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:38:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:38:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:38:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:38:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:38:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:38:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:38:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:38:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:38:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:38:54,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:38:54,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885137856] [2024-11-09 00:38:54,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885137856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:38:54,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:38:54,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:38:54,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308159301] [2024-11-09 00:38:54,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:38:54,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:38:54,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:38:54,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:38:54,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:38:54,511 INFO L87 Difference]: Start difference. First operand 8857 states and 12994 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:38:55,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:38:55,554 INFO L93 Difference]: Finished difference Result 18489 states and 27159 transitions. [2024-11-09 00:38:55,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:38:55,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 300 [2024-11-09 00:38:55,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:38:55,589 INFO L225 Difference]: With dead ends: 18489 [2024-11-09 00:38:55,589 INFO L226 Difference]: Without dead ends: 10299 [2024-11-09 00:38:55,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:38:55,610 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 58 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:38:55,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 536 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:38:55,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2024-11-09 00:38:57,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 8857. [2024-11-09 00:38:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8857 states, 7191 states have (on average 1.372827145042414) internal successors, (9872), 7213 states have internal predecessors, (9872), 1538 states have call successors, (1538), 127 states have call predecessors, (1538), 127 states have return successors, (1538), 1516 states have call predecessors, (1538), 1538 states have call successors, (1538) [2024-11-09 00:38:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8857 states to 8857 states and 12948 transitions. [2024-11-09 00:38:57,079 INFO L78 Accepts]: Start accepts. Automaton has 8857 states and 12948 transitions. Word has length 300 [2024-11-09 00:38:57,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:38:57,083 INFO L471 AbstractCegarLoop]: Abstraction has 8857 states and 12948 transitions. [2024-11-09 00:38:57,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:38:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 8857 states and 12948 transitions. [2024-11-09 00:38:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-09 00:38:57,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:38:57,093 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:38:57,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 00:38:57,093 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:38:57,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:38:57,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2029659106, now seen corresponding path program 1 times [2024-11-09 00:38:57,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:38:57,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481948079] [2024-11-09 00:38:57,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:38:57,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:38:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:38:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:38:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:38:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:38:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:38:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:38:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:38:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:38:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:38:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:38:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:38:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:38:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:38:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:38:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:38:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:38:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:38:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:38:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:38:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:38:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:38:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:38:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:38:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:38:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:38:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:38:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:38:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:38:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:38:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:38:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:38:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:38:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:38:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:38:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:38:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:38:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:38:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:38:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:38:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:38:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:38:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:38:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:38:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:38:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:38:57,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:38:57,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481948079] [2024-11-09 00:38:57,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481948079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:38:57,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:38:57,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 00:38:57,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706053460] [2024-11-09 00:38:57,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:38:57,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 00:38:57,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:38:57,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 00:38:57,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:38:57,837 INFO L87 Difference]: Start difference. First operand 8857 states and 12948 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:39:00,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:39:00,534 INFO L93 Difference]: Finished difference Result 32757 states and 47841 transitions. [2024-11-09 00:39:00,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 00:39:00,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 301 [2024-11-09 00:39:00,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:39:00,590 INFO L225 Difference]: With dead ends: 32757 [2024-11-09 00:39:00,590 INFO L226 Difference]: Without dead ends: 24343 [2024-11-09 00:39:00,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-09 00:39:00,611 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 577 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 00:39:00,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1743 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 00:39:00,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24343 states. [2024-11-09 00:39:02,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24343 to 14503. [2024-11-09 00:39:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14503 states, 12310 states have (on average 1.3709179528838342) internal successors, (16876), 12386 states have internal predecessors, (16876), 1984 states have call successors, (1984), 208 states have call predecessors, (1984), 208 states have return successors, (1984), 1908 states have call predecessors, (1984), 1984 states have call successors, (1984) [2024-11-09 00:39:02,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 20844 transitions. [2024-11-09 00:39:02,489 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 20844 transitions. Word has length 301 [2024-11-09 00:39:02,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:39:02,490 INFO L471 AbstractCegarLoop]: Abstraction has 14503 states and 20844 transitions. [2024-11-09 00:39:02,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-09 00:39:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 20844 transitions. [2024-11-09 00:39:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-09 00:39:02,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:39:02,497 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:39:02,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 00:39:02,498 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:39:02,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:39:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1518630526, now seen corresponding path program 1 times [2024-11-09 00:39:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:39:02,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149006968] [2024-11-09 00:39:02,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:39:02,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:39:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:39:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:39:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:39:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 00:39:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 00:39:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:39:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:39:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:39:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:39:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 00:39:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:39:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 00:39:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:39:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 00:39:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:39:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 00:39:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:39:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 00:39:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:39:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 00:39:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:39:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:39:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:39:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:39:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 00:39:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:39:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:39:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:39:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:39:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:39:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:39:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:39:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:39:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:39:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:39:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:39:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:39:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:39:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:39:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 00:39:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 00:39:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-09 00:39:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 00:39:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-09 00:39:03,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:39:03,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149006968] [2024-11-09 00:39:03,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149006968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:39:03,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:39:03,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 00:39:03,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127847740] [2024-11-09 00:39:03,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:39:03,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 00:39:03,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:39:03,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 00:39:03,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:39:03,543 INFO L87 Difference]: Start difference. First operand 14503 states and 20844 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-09 00:39:05,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:39:05,599 INFO L93 Difference]: Finished difference Result 24251 states and 34930 transitions. [2024-11-09 00:39:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 00:39:05,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 301 [2024-11-09 00:39:05,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:39:05,644 INFO L225 Difference]: With dead ends: 24251 [2024-11-09 00:39:05,645 INFO L226 Difference]: Without dead ends: 17721 [2024-11-09 00:39:05,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 00:39:05,660 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 770 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:39:05,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 1102 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:39:05,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17721 states. [2024-11-09 00:39:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17721 to 14503. [2024-11-09 00:39:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14503 states, 12310 states have (on average 1.3707554833468725) internal successors, (16874), 12386 states have internal predecessors, (16874), 1984 states have call successors, (1984), 208 states have call predecessors, (1984), 208 states have return successors, (1984), 1908 states have call predecessors, (1984), 1984 states have call successors, (1984) [2024-11-09 00:39:07,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 20842 transitions. [2024-11-09 00:39:07,587 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 20842 transitions. Word has length 301 [2024-11-09 00:39:07,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:39:07,588 INFO L471 AbstractCegarLoop]: Abstraction has 14503 states and 20842 transitions. [2024-11-09 00:39:07,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-09 00:39:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 20842 transitions. [2024-11-09 00:39:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-09 00:39:07,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:39:07,595 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:39:07,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 00:39:07,595 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:39:07,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:39:07,596 INFO L85 PathProgramCache]: Analyzing trace with hash -530757316, now seen corresponding path program 1 times [2024-11-09 00:39:07,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:39:07,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983260365] [2024-11-09 00:39:07,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:39:07,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat