./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.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 0cf2f240a207b9fd94ff47176fc66686eff0a1305e9376e15a89fac66684ae53 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:07:56,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:07:56,894 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:07:56,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:07:56,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:07:56,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:07:56,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:07:56,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:07:56,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:07:56,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:07:56,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:07:56,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:07:56,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:07:56,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:07:56,922 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:07:56,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:07:56,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:07:56,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:07:56,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:07:56,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:07:56,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:07:56,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:07:56,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:07:56,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:07:56,928 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:07:56,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:07:56,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:07:56,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:07:56,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:07:56,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:07:56,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:07:56,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:07:56,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:07:56,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:07:56,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:07:56,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:07:56,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:07:56,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:07:56,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:07:56,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:07:56,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:07:56,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:07:56,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cf2f240a207b9fd94ff47176fc66686eff0a1305e9376e15a89fac66684ae53 [2024-10-13 05:07:57,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:07:57,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:07:57,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:07:57,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:07:57,196 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:07:57,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i [2024-10-13 05:07:58,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:07:58,753 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:07:58,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i [2024-10-13 05:07:58,770 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9cbb6461/1075af4239a149cea15534bd24d8cc31/FLAG1fc2b1845 [2024-10-13 05:07:58,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9cbb6461/1075af4239a149cea15534bd24d8cc31 [2024-10-13 05:07:58,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:07:58,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:07:58,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:07:58,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:07:58,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:07:58,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:07:58" (1/1) ... [2024-10-13 05:07:58,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60519545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:58, skipping insertion in model container [2024-10-13 05:07:58,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:07:58" (1/1) ... [2024-10-13 05:07:58,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:07:58,986 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i[916,929] [2024-10-13 05:07:59,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:07:59,224 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:07:59,232 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i[916,929] [2024-10-13 05:07:59,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:07:59,316 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:07:59,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59 WrapperNode [2024-10-13 05:07:59,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:07:59,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:07:59,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:07:59,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:07:59,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,410 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2024-10-13 05:07:59,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:07:59,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:07:59,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:07:59,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:07:59,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,439 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,478 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 05:07:59,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:07:59,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:07:59,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:07:59,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:07:59,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (1/1) ... [2024-10-13 05:07:59,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:07:59,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:07:59,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 05:07:59,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 05:07:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:07:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:07:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:07:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:07:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:07:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:07:59,709 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:07:59,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:08:00,409 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-13 05:08:00,409 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:08:00,444 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:08:00,444 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:08:00,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:08:00 BoogieIcfgContainer [2024-10-13 05:08:00,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:08:00,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:08:00,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:08:00,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:08:00,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:07:58" (1/3) ... [2024-10-13 05:08:00,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f250a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:08:00, skipping insertion in model container [2024-10-13 05:08:00,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:59" (2/3) ... [2024-10-13 05:08:00,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f250a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:08:00, skipping insertion in model container [2024-10-13 05:08:00,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:08:00" (3/3) ... [2024-10-13 05:08:00,455 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-54.i [2024-10-13 05:08:00,470 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:08:00,470 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:08:00,542 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:08:00,549 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;@20c4068d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:08:00,550 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:08:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 108 states have internal predecessors, (163), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 05:08:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-10-13 05:08:00,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:00,579 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:08:00,580 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:00,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:00,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2107916837, now seen corresponding path program 1 times [2024-10-13 05:08:00,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:00,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353467635] [2024-10-13 05:08:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:08:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:08:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:08:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:08:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:08:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:08:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:08:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:08:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 05:08:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:08:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 05:08:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:08:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 05:08:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:08:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 05:08:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:08:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:08:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:08:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:08:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:08:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:08:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-13 05:08:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:08:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:08:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 05:08:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 05:08:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 05:08:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 05:08:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-13 05:08:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-13 05:08:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-13 05:08:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-13 05:08:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-13 05:08:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-13 05:08:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-13 05:08:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-13 05:08:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-13 05:08:01,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:01,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353467635] [2024-10-13 05:08:01,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353467635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:01,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:01,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 05:08:01,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934392603] [2024-10-13 05:08:01,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:01,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 05:08:01,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:01,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 05:08:01,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:08:01,373 INFO L87 Difference]: Start difference. First operand has 176 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 108 states have internal predecessors, (163), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-13 05:08:01,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:01,436 INFO L93 Difference]: Finished difference Result 349 states and 654 transitions. [2024-10-13 05:08:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 05:08:01,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) Word has length 399 [2024-10-13 05:08:01,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:01,447 INFO L225 Difference]: With dead ends: 349 [2024-10-13 05:08:01,447 INFO L226 Difference]: Without dead ends: 174 [2024-10-13 05:08:01,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:08:01,458 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:01,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:08:01,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-13 05:08:01,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-10-13 05:08:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 106 states have (on average 1.4811320754716981) internal successors, (157), 106 states have internal predecessors, (157), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 05:08:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 289 transitions. [2024-10-13 05:08:01,519 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 289 transitions. Word has length 399 [2024-10-13 05:08:01,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:01,519 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 289 transitions. [2024-10-13 05:08:01,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-13 05:08:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2024-10-13 05:08:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-10-13 05:08:01,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:01,528 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:08:01,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:08:01,528 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:01,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:01,529 INFO L85 PathProgramCache]: Analyzing trace with hash -577664011, now seen corresponding path program 1 times [2024-10-13 05:08:01,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:01,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771107642] [2024-10-13 05:08:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:01,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:08:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:08:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:08:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:08:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:08:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:08:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:08:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:08:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 05:08:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:08:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 05:08:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:08:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 05:08:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:08:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 05:08:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:08:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:08:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:08:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:08:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:08:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:08:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-13 05:08:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:08:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:08:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 05:08:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 05:08:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 05:08:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:01,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 05:08:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-13 05:08:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-13 05:08:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-13 05:08:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-13 05:08:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-13 05:08:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-13 05:08:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-13 05:08:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-13 05:08:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-13 05:08:02,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:02,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771107642] [2024-10-13 05:08:02,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771107642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:02,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:02,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:08:02,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974179080] [2024-10-13 05:08:02,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:02,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:08:02,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:02,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:08:02,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:08:02,031 INFO L87 Difference]: Start difference. First operand 174 states and 289 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-13 05:08:02,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:02,143 INFO L93 Difference]: Finished difference Result 428 states and 710 transitions. [2024-10-13 05:08:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:08:02,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 399 [2024-10-13 05:08:02,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:02,149 INFO L225 Difference]: With dead ends: 428 [2024-10-13 05:08:02,149 INFO L226 Difference]: Without dead ends: 255 [2024-10-13 05:08:02,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:08:02,150 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 131 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:02,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 561 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:08:02,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-13 05:08:02,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 252. [2024-10-13 05:08:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 169 states have (on average 1.514792899408284) internal successors, (256), 170 states have internal predecessors, (256), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-13 05:08:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 416 transitions. [2024-10-13 05:08:02,195 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 416 transitions. Word has length 399 [2024-10-13 05:08:02,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:02,197 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 416 transitions. [2024-10-13 05:08:02,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-13 05:08:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 416 transitions. [2024-10-13 05:08:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-10-13 05:08:02,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:02,200 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:08:02,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:08:02,201 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:02,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:02,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1689914633, now seen corresponding path program 1 times [2024-10-13 05:08:02,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:02,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592054173] [2024-10-13 05:08:02,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:02,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:08:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:08:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:08:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:08:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:08:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 05:08:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:08:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 05:08:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 05:08:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 05:08:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 05:08:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 05:08:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 05:08:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 05:08:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 05:08:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 05:08:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 05:08:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 05:08:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 05:08:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 05:08:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 05:08:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:03,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-13 05:08:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:08:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:08:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 05:08:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 05:08:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 05:08:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 05:08:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-13 05:08:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-13 05:08:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-13 05:08:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-13 05:08:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-13 05:08:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-13 05:08:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-13 05:08:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-13 05:08:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 6 proven. 189 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2024-10-13 05:08:04,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:04,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592054173] [2024-10-13 05:08:04,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592054173] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:08:04,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771975000] [2024-10-13 05:08:04,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:04,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:08:04,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:08:04,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:08:04,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 05:08:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:04,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 05:08:04,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:08:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 4400 proven. 234 refuted. 0 times theorem prover too weak. 3946 trivial. 0 not checked. [2024-10-13 05:08:05,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:09:03,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771975000] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:09:03,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 05:09:03,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13] total 14 [2024-10-13 05:09:03,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060599924] [2024-10-13 05:09:03,117 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 05:09:03,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 05:09:03,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:09:03,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 05:09:03,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=282, Unknown=20, NotChecked=0, Total=380 [2024-10-13 05:09:03,123 INFO L87 Difference]: Start difference. First operand 252 states and 416 transitions. Second operand has 14 states, 14 states have (on average 10.142857142857142) internal successors, (142), 14 states have internal predecessors, (142), 4 states have call successors, (129), 3 states have call predecessors, (129), 5 states have return successors, (130), 4 states have call predecessors, (130), 4 states have call successors, (130)