./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.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 6d1c02b3372a206bee55669628072c3bed3eaa07fdec8b30d7cf878b8d085487 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:52:44,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:52:44,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:52:44,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:52:44,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:52:44,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:52:44,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:52:44,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:52:44,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:52:44,391 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:52:44,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:52:44,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:52:44,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:52:44,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:52:44,394 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:52:44,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:52:44,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:52:44,396 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:52:44,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:52:44,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:52:44,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:52:44,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:52:44,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:52:44,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:52:44,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:52:44,400 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:52:44,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:52:44,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:52:44,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:52:44,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:52:44,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:52:44,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:52:44,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:52:44,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:52:44,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:52:44,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:52:44,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:52:44,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:52:44,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:52:44,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:52:44,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:52:44,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:52:44,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d1c02b3372a206bee55669628072c3bed3eaa07fdec8b30d7cf878b8d085487 [2024-11-12 06:52:44,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:52:44,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:52:44,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:52:44,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:52:44,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:52:44,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i [2024-11-12 06:52:46,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:52:46,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:52:46,499 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i [2024-11-12 06:52:46,506 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c68a98c/abc438101cea4fc3b5e7c64190cad51c/FLAGf4997a1cc [2024-11-12 06:52:46,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c68a98c/abc438101cea4fc3b5e7c64190cad51c [2024-11-12 06:52:46,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:52:46,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:52:46,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:52:46,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:52:46,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:52:46,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a9e0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46, skipping insertion in model container [2024-11-12 06:52:46,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:52:46,691 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_amount50_file-81.i[915,928] [2024-11-12 06:52:46,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:52:46,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:52:46,774 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_amount50_file-81.i[915,928] [2024-11-12 06:52:46,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:52:46,813 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:52:46,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46 WrapperNode [2024-11-12 06:52:46,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:52:46,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:52:46,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:52:46,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:52:46,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,874 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-12 06:52:46,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:52:46,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:52:46,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:52:46,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:52:46,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,916 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 06:52:46,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:52:46,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:52:46,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:52:46,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:52:46,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (1/1) ... [2024-11-12 06:52:46,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:52:46,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:52:47,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 06:52:47,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 06:52:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:52:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:52:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:52:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:52:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:52:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:52:47,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:52:47,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:52:47,485 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 06:52:47,486 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:52:47,500 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:52:47,500 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:52:47,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:52:47 BoogieIcfgContainer [2024-11-12 06:52:47,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:52:47,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:52:47,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:52:47,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:52:47,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:52:46" (1/3) ... [2024-11-12 06:52:47,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d47de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:52:47, skipping insertion in model container [2024-11-12 06:52:47,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:52:46" (2/3) ... [2024-11-12 06:52:47,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d47de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:52:47, skipping insertion in model container [2024-11-12 06:52:47,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:52:47" (3/3) ... [2024-11-12 06:52:47,508 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-81.i [2024-11-12 06:52:47,526 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:52:47,526 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:52:47,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:52:47,582 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;@a87cd6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:52:47,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:52:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 06:52:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 06:52:47,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:52:47,600 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:52:47,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:52:47,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:52:47,606 INFO L85 PathProgramCache]: Analyzing trace with hash 409085708, now seen corresponding path program 1 times [2024-11-12 06:52:47,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:52:47,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863961455] [2024-11-12 06:52:47,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:52:47,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:52:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:52:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:52:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:52:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:52:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:52:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:52:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:52:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:52:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:52:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:52:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:52:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:47,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:52:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:52:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:52:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:52:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:52:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:52:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:52:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:52:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:52:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:52:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:52:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:52:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:52:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:52:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:52:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:52:48,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:52:48,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863961455] [2024-11-12 06:52:48,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863961455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:52:48,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:52:48,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:52:48,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018777268] [2024-11-12 06:52:48,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:52:48,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:52:48,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:52:48,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:52:48,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:52:48,145 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 06:52:48,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:52:48,216 INFO L93 Difference]: Finished difference Result 147 states and 256 transitions. [2024-11-12 06:52:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:52:48,218 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-12 06:52:48,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:52:48,224 INFO L225 Difference]: With dead ends: 147 [2024-11-12 06:52:48,224 INFO L226 Difference]: Without dead ends: 73 [2024-11-12 06:52:48,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:52:48,232 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:52:48,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:52:48,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-12 06:52:48,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-12 06:52:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 06:52:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2024-11-12 06:52:48,282 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 163 [2024-11-12 06:52:48,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:52:48,282 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2024-11-12 06:52:48,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 06:52:48,282 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2024-11-12 06:52:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 06:52:48,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:52:48,289 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:52:48,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:52:48,290 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:52:48,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:52:48,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1193130060, now seen corresponding path program 1 times [2024-11-12 06:52:48,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:52:48,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370850801] [2024-11-12 06:52:48,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:52:48,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:52:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:52:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:52:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:52:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:52:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:52:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:52:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:52:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:52:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:52:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:52:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:52:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:52:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:52:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:52:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:52:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:52:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:52:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:52:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:52:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:52:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:52:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:52:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:52:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:52:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:52:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:52:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:52:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:52:59,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:52:59,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370850801] [2024-11-12 06:52:59,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370850801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:52:59,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:52:59,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 06:52:59,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791329620] [2024-11-12 06:52:59,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:52:59,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 06:52:59,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:52:59,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 06:52:59,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 06:52:59,380 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:02,419 INFO L93 Difference]: Finished difference Result 321 states and 480 transitions. [2024-11-12 06:53:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 06:53:02,420 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 06:53:02,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:02,424 INFO L225 Difference]: With dead ends: 321 [2024-11-12 06:53:02,424 INFO L226 Difference]: Without dead ends: 251 [2024-11-12 06:53:02,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 06:53:02,426 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 651 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:02,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 526 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 06:53:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-12 06:53:02,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 132. [2024-11-12 06:53:02,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2857142857142858) internal successors, (99), 77 states have internal predecessors, (99), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 06:53:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 203 transitions. [2024-11-12 06:53:02,448 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 203 transitions. Word has length 163 [2024-11-12 06:53:02,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:02,449 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 203 transitions. [2024-11-12 06:53:02,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2024-11-12 06:53:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 06:53:02,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:02,470 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:02,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:53:02,470 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:02,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:02,471 INFO L85 PathProgramCache]: Analyzing trace with hash 800103050, now seen corresponding path program 1 times [2024-11-12 06:53:02,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:02,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216943552] [2024-11-12 06:53:02,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:02,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:02,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:02,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216943552] [2024-11-12 06:53:02,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216943552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:02,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:02,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:53:02,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337479313] [2024-11-12 06:53:02,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:02,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:53:02,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:02,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:53:02,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:53:02,780 INFO L87 Difference]: Start difference. First operand 132 states and 203 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:02,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:02,849 INFO L93 Difference]: Finished difference Result 237 states and 360 transitions. [2024-11-12 06:53:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:53:02,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 06:53:02,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:02,852 INFO L225 Difference]: With dead ends: 237 [2024-11-12 06:53:02,854 INFO L226 Difference]: Without dead ends: 167 [2024-11-12 06:53:02,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:53:02,856 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 42 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:02,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 324 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:53:02,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-12 06:53:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-12 06:53:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 06:53:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-12 06:53:02,896 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-12 06:53:02,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:02,898 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-12 06:53:02,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-12 06:53:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 06:53:02,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:02,904 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:02,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:53:02,905 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:02,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:02,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1894194638, now seen corresponding path program 1 times [2024-11-12 06:53:02,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:02,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619005469] [2024-11-12 06:53:02,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:02,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:10,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:10,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619005469] [2024-11-12 06:53:10,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619005469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:10,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:10,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 06:53:10,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451291589] [2024-11-12 06:53:10,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:10,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 06:53:10,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:10,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 06:53:10,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 06:53:10,550 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:13,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:13,718 INFO L93 Difference]: Finished difference Result 372 states and 546 transitions. [2024-11-12 06:53:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 06:53:13,719 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 06:53:13,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:13,722 INFO L225 Difference]: With dead ends: 372 [2024-11-12 06:53:13,723 INFO L226 Difference]: Without dead ends: 270 [2024-11-12 06:53:13,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 06:53:13,724 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 418 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:13,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 521 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 06:53:13,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-12 06:53:13,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 164. [2024-11-12 06:53:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 06:53:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-12 06:53:13,741 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-12 06:53:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:13,741 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-12 06:53:13,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-12 06:53:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 06:53:13,743 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:13,743 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:13,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 06:53:13,743 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:13,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1451295498, now seen corresponding path program 1 times [2024-11-12 06:53:13,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365406174] [2024-11-12 06:53:13,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:14,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:14,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365406174] [2024-11-12 06:53:14,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365406174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:14,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:14,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 06:53:14,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081488658] [2024-11-12 06:53:14,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:14,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 06:53:14,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:14,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 06:53:14,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:53:14,276 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:14,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:14,609 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2024-11-12 06:53:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 06:53:14,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 06:53:14,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:14,612 INFO L225 Difference]: With dead ends: 312 [2024-11-12 06:53:14,612 INFO L226 Difference]: Without dead ends: 210 [2024-11-12 06:53:14,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-12 06:53:14,613 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:14,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 439 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:53:14,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-12 06:53:14,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 170. [2024-11-12 06:53:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 06:53:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-12 06:53:14,630 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-12 06:53:14,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:14,631 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-12 06:53:14,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-12 06:53:14,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 06:53:14,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:14,632 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:14,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 06:53:14,632 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:14,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:14,633 INFO L85 PathProgramCache]: Analyzing trace with hash 182012810, now seen corresponding path program 1 times [2024-11-12 06:53:14,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:14,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808960760] [2024-11-12 06:53:14,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:14,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:20,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:20,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808960760] [2024-11-12 06:53:20,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808960760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:20,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:20,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 06:53:20,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098914450] [2024-11-12 06:53:20,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:20,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 06:53:20,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:20,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 06:53:20,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 06:53:20,990 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:22,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:22,611 INFO L93 Difference]: Finished difference Result 341 states and 498 transitions. [2024-11-12 06:53:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 06:53:22,612 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 06:53:22,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:22,614 INFO L225 Difference]: With dead ends: 341 [2024-11-12 06:53:22,614 INFO L226 Difference]: Without dead ends: 239 [2024-11-12 06:53:22,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 06:53:22,615 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 144 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:22,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 514 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 06:53:22,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-12 06:53:22,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 171. [2024-11-12 06:53:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 111 states have (on average 1.2972972972972974) internal successors, (144), 112 states have internal predecessors, (144), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 06:53:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 256 transitions. [2024-11-12 06:53:22,630 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 256 transitions. Word has length 163 [2024-11-12 06:53:22,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:22,631 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 256 transitions. [2024-11-12 06:53:22,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2024-11-12 06:53:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 06:53:22,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:22,632 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:22,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 06:53:22,633 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:22,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:22,633 INFO L85 PathProgramCache]: Analyzing trace with hash 883077388, now seen corresponding path program 1 times [2024-11-12 06:53:22,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:22,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292670492] [2024-11-12 06:53:22,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:22,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:29,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:29,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292670492] [2024-11-12 06:53:29,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292670492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:29,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:29,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 06:53:29,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444826706] [2024-11-12 06:53:29,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:29,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 06:53:29,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:29,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 06:53:29,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 06:53:29,617 INFO L87 Difference]: Start difference. First operand 171 states and 256 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:30,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:30,965 INFO L93 Difference]: Finished difference Result 322 states and 474 transitions. [2024-11-12 06:53:30,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 06:53:30,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 06:53:30,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:30,968 INFO L225 Difference]: With dead ends: 322 [2024-11-12 06:53:30,968 INFO L226 Difference]: Without dead ends: 210 [2024-11-12 06:53:30,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 06:53:30,969 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 177 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:30,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 399 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 06:53:30,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-12 06:53:30,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 168. [2024-11-12 06:53:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 109 states have internal predecessors, (140), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 06:53:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 252 transitions. [2024-11-12 06:53:30,981 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 252 transitions. Word has length 163 [2024-11-12 06:53:30,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:30,982 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 252 transitions. [2024-11-12 06:53:30,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 252 transitions. [2024-11-12 06:53:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 06:53:30,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:30,983 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:30,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 06:53:30,984 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:30,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1839498733, now seen corresponding path program 1 times [2024-11-12 06:53:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:30,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416463348] [2024-11-12 06:53:30,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:31,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:31,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416463348] [2024-11-12 06:53:31,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416463348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:31,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:31,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:53:31,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030566613] [2024-11-12 06:53:31,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:31,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:53:31,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:31,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:53:31,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:53:31,153 INFO L87 Difference]: Start difference. First operand 168 states and 252 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:31,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:31,208 INFO L93 Difference]: Finished difference Result 306 states and 450 transitions. [2024-11-12 06:53:31,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:53:31,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 06:53:31,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:31,211 INFO L225 Difference]: With dead ends: 306 [2024-11-12 06:53:31,211 INFO L226 Difference]: Without dead ends: 194 [2024-11-12 06:53:31,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:53:31,212 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 62 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:31,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 317 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:53:31,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-12 06:53:31,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 163. [2024-11-12 06:53:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 106 states have internal predecessors, (137), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 06:53:31,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2024-11-12 06:53:31,228 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 164 [2024-11-12 06:53:31,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:31,228 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2024-11-12 06:53:31,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2024-11-12 06:53:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 06:53:31,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:31,230 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:31,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 06:53:31,230 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:31,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:31,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2062441553, now seen corresponding path program 1 times [2024-11-12 06:53:31,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:31,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405403137] [2024-11-12 06:53:31,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:31,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:37,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:37,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405403137] [2024-11-12 06:53:37,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405403137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:37,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:37,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 06:53:37,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737141582] [2024-11-12 06:53:37,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:37,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 06:53:37,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:37,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 06:53:37,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 06:53:37,837 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:39,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:39,613 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2024-11-12 06:53:39,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 06:53:39,614 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 06:53:39,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:39,615 INFO L225 Difference]: With dead ends: 341 [2024-11-12 06:53:39,615 INFO L226 Difference]: Without dead ends: 241 [2024-11-12 06:53:39,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-12 06:53:39,616 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 170 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:39,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 518 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 06:53:39,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-12 06:53:39,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 171. [2024-11-12 06:53:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 06:53:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-12 06:53:39,629 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-12 06:53:39,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:39,630 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-12 06:53:39,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-12 06:53:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 06:53:39,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:39,631 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:39,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 06:53:39,631 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:39,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:39,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1531461165, now seen corresponding path program 1 times [2024-11-12 06:53:39,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:39,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913184138] [2024-11-12 06:53:39,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:39,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:45,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:45,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913184138] [2024-11-12 06:53:45,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913184138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:45,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:45,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 06:53:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827772234] [2024-11-12 06:53:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:45,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 06:53:45,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:45,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 06:53:45,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 06:53:45,848 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 06:53:47,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:47,581 INFO L93 Difference]: Finished difference Result 362 states and 524 transitions. [2024-11-12 06:53:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 06:53:47,582 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-12 06:53:47,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:47,584 INFO L225 Difference]: With dead ends: 362 [2024-11-12 06:53:47,584 INFO L226 Difference]: Without dead ends: 262 [2024-11-12 06:53:47,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-12 06:53:47,585 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 278 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:47,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 575 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 06:53:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-12 06:53:47,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 174. [2024-11-12 06:53:47,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 117 states have (on average 1.3076923076923077) internal successors, (153), 117 states have internal predecessors, (153), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 06:53:47,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 257 transitions. [2024-11-12 06:53:47,597 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 257 transitions. Word has length 164 [2024-11-12 06:53:47,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:47,597 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 257 transitions. [2024-11-12 06:53:47,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 06:53:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2024-11-12 06:53:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 06:53:47,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:47,599 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:47,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 06:53:47,599 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:47,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1752388881, now seen corresponding path program 1 times [2024-11-12 06:53:47,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:47,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739303204] [2024-11-12 06:53:47,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:47,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:51,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:51,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739303204] [2024-11-12 06:53:51,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739303204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:51,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:51,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 06:53:51,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194645731] [2024-11-12 06:53:51,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:51,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 06:53:51,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:51,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 06:53:51,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 06:53:51,851 INFO L87 Difference]: Start difference. First operand 174 states and 257 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:52,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:52,859 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-11-12 06:53:52,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 06:53:52,859 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 06:53:52,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:52,861 INFO L225 Difference]: With dead ends: 316 [2024-11-12 06:53:52,861 INFO L226 Difference]: Without dead ends: 216 [2024-11-12 06:53:52,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 06:53:52,862 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 115 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:52,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 504 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 06:53:52,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-12 06:53:52,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 171. [2024-11-12 06:53:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 06:53:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-12 06:53:52,875 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-12 06:53:52,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:52,875 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-12 06:53:52,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-12 06:53:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 06:53:52,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:52,876 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:52,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 06:53:52,876 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:52,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:52,877 INFO L85 PathProgramCache]: Analyzing trace with hash -559635055, now seen corresponding path program 1 times [2024-11-12 06:53:52,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:52,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187003177] [2024-11-12 06:53:52,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:52,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:53:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:53:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:53:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:53:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:53:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:53:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:53:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:53:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:53:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:53:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:53:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:53:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:53:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:53:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:53:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:53:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:53:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:53:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:53:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:53:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:53:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:53:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:53:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:53:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:53:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:53:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:53:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:53:56,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:53:56,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187003177] [2024-11-12 06:53:56,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187003177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:53:56,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:53:56,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 06:53:56,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789143586] [2024-11-12 06:53:56,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:53:56,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 06:53:56,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:53:56,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 06:53:56,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 06:53:56,519 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:57,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:53:57,762 INFO L93 Difference]: Finished difference Result 426 states and 613 transitions. [2024-11-12 06:53:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 06:53:57,763 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 06:53:57,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:53:57,765 INFO L225 Difference]: With dead ends: 426 [2024-11-12 06:53:57,765 INFO L226 Difference]: Without dead ends: 318 [2024-11-12 06:53:57,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 06:53:57,766 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 443 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 06:53:57,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 575 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 06:53:57,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-12 06:53:57,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2024-11-12 06:53:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 06:53:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 259 transitions. [2024-11-12 06:53:57,778 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 259 transitions. Word has length 164 [2024-11-12 06:53:57,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:53:57,779 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 259 transitions. [2024-11-12 06:53:57,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 06:53:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 259 transitions. [2024-11-12 06:53:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 06:53:57,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:53:57,779 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:53:57,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 06:53:57,780 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:53:57,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:53:57,780 INFO L85 PathProgramCache]: Analyzing trace with hash -952662065, now seen corresponding path program 1 times [2024-11-12 06:53:57,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:53:57,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021707132] [2024-11-12 06:53:57,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:53:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:53:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:54:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:54:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:54:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:54:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:54:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:54:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:54:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:54:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:54:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:54:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:54:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:54:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:54:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:54:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:54:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:54:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:54:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:54:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:54:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:54:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:54:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:54:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:54:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:54:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:54:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:54:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:54:02,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:54:02,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021707132] [2024-11-12 06:54:02,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021707132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:54:02,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:54:02,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 06:54:02,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702111040] [2024-11-12 06:54:02,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:54:02,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 06:54:02,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:54:02,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 06:54:02,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-12 06:54:02,983 INFO L87 Difference]: Start difference. First operand 175 states and 259 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 06:54:04,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:54:04,196 INFO L93 Difference]: Finished difference Result 387 states and 561 transitions. [2024-11-12 06:54:04,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 06:54:04,197 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-12 06:54:04,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:54:04,199 INFO L225 Difference]: With dead ends: 387 [2024-11-12 06:54:04,199 INFO L226 Difference]: Without dead ends: 279 [2024-11-12 06:54:04,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-12 06:54:04,200 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 302 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 06:54:04,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 567 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 06:54:04,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-12 06:54:04,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 177. [2024-11-12 06:54:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 06:54:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-12 06:54:04,236 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 164 [2024-11-12 06:54:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:54:04,236 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-12 06:54:04,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 06:54:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-12 06:54:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 06:54:04,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:54:04,240 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:54:04,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 06:54:04,240 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:54:04,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:54:04,244 INFO L85 PathProgramCache]: Analyzing trace with hash 141429523, now seen corresponding path program 1 times [2024-11-12 06:54:04,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:54:04,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214886093] [2024-11-12 06:54:04,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:54:04,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:54:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:54:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:54:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:54:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:54:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:54:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:54:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:54:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:54:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:54:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:54:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:54:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:54:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:54:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:54:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:54:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:54:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:54:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:54:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:54:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:54:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 06:54:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 06:54:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 06:54:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:54:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:54:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 06:54:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:54:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 06:54:09,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:54:09,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214886093] [2024-11-12 06:54:09,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214886093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:54:09,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:54:09,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 06:54:09,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701394861] [2024-11-12 06:54:09,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:54:09,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 06:54:09,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:54:09,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 06:54:09,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-12 06:54:09,683 INFO L87 Difference]: Start difference. First operand 177 states and 263 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 06:54:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:54:11,060 INFO L93 Difference]: Finished difference Result 407 states and 589 transitions. [2024-11-12 06:54:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 06:54:11,061 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-12 06:54:11,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:54:11,063 INFO L225 Difference]: With dead ends: 407 [2024-11-12 06:54:11,063 INFO L226 Difference]: Without dead ends: 299 [2024-11-12 06:54:11,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-12 06:54:11,064 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 467 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 06:54:11,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 572 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 06:54:11,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-12 06:54:11,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 178. [2024-11-12 06:54:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 121 states have internal predecessors, (161), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 06:54:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2024-11-12 06:54:11,079 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 164 [2024-11-12 06:54:11,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:54:11,080 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2024-11-12 06:54:11,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 06:54:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2024-11-12 06:54:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 06:54:11,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:54:11,081 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:54:11,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 06:54:11,081 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:54:11,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:54:11,081 INFO L85 PathProgramCache]: Analyzing trace with hash -251597487, now seen corresponding path program 1 times [2024-11-12 06:54:11,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:54:11,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070153646] [2024-11-12 06:54:11,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:54:11,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:54:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat