./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_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 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 00:18:04,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 00:18:04,751 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 00:18:04,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 00:18:04,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 00:18:04,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 00:18:04,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 00:18:04,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 00:18:04,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 00:18:04,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 00:18:04,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 00:18:04,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 00:18:04,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 00:18:04,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 00:18:04,804 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 00:18:04,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 00:18:04,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 00:18:04,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 00:18:04,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 00:18:04,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 00:18:04,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 00:18:04,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 00:18:04,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 00:18:04,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 00:18:04,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 00:18:04,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 00:18:04,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 00:18:04,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 00:18:04,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 00:18:04,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 00:18:04,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 00:18:04,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 00:18:04,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:18:04,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 00:18:04,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 00:18:04,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 00:18:04,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 00:18:04,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 00:18:04,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 00:18:04,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 00:18:04,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 00:18:04,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 00:18:04,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa [2024-10-13 00:18:05,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 00:18:05,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 00:18:05,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 00:18:05,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 00:18:05,130 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 00:18:05,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2024-10-13 00:18:06,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 00:18:07,084 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 00:18:07,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2024-10-13 00:18:07,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ca41182/577fa2340be845eb9c995721c9162448/FLAGdee4cf81a [2024-10-13 00:18:07,110 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ca41182/577fa2340be845eb9c995721c9162448 [2024-10-13 00:18:07,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 00:18:07,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 00:18:07,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 00:18:07,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 00:18:07,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 00:18:07,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa21e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07, skipping insertion in model container [2024-10-13 00:18:07,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 00:18:07,359 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i[917,930] [2024-10-13 00:18:07,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:18:07,460 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 00:18:07,475 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i[917,930] [2024-10-13 00:18:07,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:18:07,553 INFO L204 MainTranslator]: Completed translation [2024-10-13 00:18:07,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07 WrapperNode [2024-10-13 00:18:07,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 00:18:07,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 00:18:07,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 00:18:07,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 00:18:07,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,627 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2024-10-13 00:18:07,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 00:18:07,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 00:18:07,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 00:18:07,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 00:18:07,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,645 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,678 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 00:18:07,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 00:18:07,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 00:18:07,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 00:18:07,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 00:18:07,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (1/1) ... [2024-10-13 00:18:07,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:18:07,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 00:18:07,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 00:18:07,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 00:18:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 00:18:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 00:18:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 00:18:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 00:18:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 00:18:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 00:18:07,935 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 00:18:07,940 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 00:18:08,419 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 00:18:08,420 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 00:18:08,476 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 00:18:08,477 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 00:18:08,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:18:08 BoogieIcfgContainer [2024-10-13 00:18:08,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 00:18:08,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 00:18:08,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 00:18:08,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 00:18:08,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:18:07" (1/3) ... [2024-10-13 00:18:08,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c005e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:18:08, skipping insertion in model container [2024-10-13 00:18:08,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:07" (2/3) ... [2024-10-13 00:18:08,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c005e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:18:08, skipping insertion in model container [2024-10-13 00:18:08,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:18:08" (3/3) ... [2024-10-13 00:18:08,491 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-81.i [2024-10-13 00:18:08,509 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 00:18:08,510 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 00:18:08,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 00:18:08,587 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;@3115e88d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 00:18:08,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 00:18:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 00:18:08,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-13 00:18:08,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:18:08,619 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:18:08,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:18:08,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:18:08,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2011289514, now seen corresponding path program 1 times [2024-10-13 00:18:08,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:18:08,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025372806] [2024-10-13 00:18:08,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:18:08,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:18:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:18:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:18:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:18:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:18:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:18:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:18:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:18:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:18:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:18:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:18:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:18:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:18:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:18:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:18:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:18:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:18:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:18:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:18:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:18:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:18:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:18:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:18:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:18:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:18:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:18:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:18:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:18:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:18:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:18:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:18:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:18:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:18:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:18:09,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:18:09,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025372806] [2024-10-13 00:18:09,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025372806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:18:09,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:18:09,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 00:18:09,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912440169] [2024-10-13 00:18:09,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:18:09,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 00:18:09,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:18:09,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 00:18:09,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 00:18:09,295 INFO L87 Difference]: Start difference. First operand has 80 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-13 00:18:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:18:09,354 INFO L93 Difference]: Finished difference Result 157 states and 284 transitions. [2024-10-13 00:18:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 00:18:09,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 192 [2024-10-13 00:18:09,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:18:09,367 INFO L225 Difference]: With dead ends: 157 [2024-10-13 00:18:09,368 INFO L226 Difference]: Without dead ends: 78 [2024-10-13 00:18:09,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 00:18:09,381 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 00:18:09,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 00:18:09,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-13 00:18:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-13 00:18:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 00:18:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 122 transitions. [2024-10-13 00:18:09,430 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 122 transitions. Word has length 192 [2024-10-13 00:18:09,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:18:09,431 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 122 transitions. [2024-10-13 00:18:09,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-13 00:18:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 122 transitions. [2024-10-13 00:18:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-13 00:18:09,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:18:09,437 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:18:09,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 00:18:09,437 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:18:09,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:18:09,438 INFO L85 PathProgramCache]: Analyzing trace with hash -2144835498, now seen corresponding path program 1 times [2024-10-13 00:18:09,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:18:09,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151579125] [2024-10-13 00:18:09,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:18:09,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:18:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:18:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:18:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:18:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:18:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:18:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:18:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:18:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:18:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:18:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:18:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:18:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:18:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:18:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:18:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:18:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:18:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:18:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:18:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:18:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:18:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:18:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:18:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:18:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:18:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:18:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:18:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:18:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:18:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:18:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:18:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:18:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:18:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:18:26,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:18:26,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151579125] [2024-10-13 00:18:26,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151579125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:18:26,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:18:26,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 00:18:26,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668156204] [2024-10-13 00:18:26,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:18:26,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 00:18:26,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:18:26,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 00:18:26,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:18:26,329 INFO L87 Difference]: Start difference. First operand 78 states and 122 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:28,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:18:28,652 INFO L93 Difference]: Finished difference Result 257 states and 391 transitions. [2024-10-13 00:18:28,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 00:18:28,655 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-13 00:18:28,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:18:28,663 INFO L225 Difference]: With dead ends: 257 [2024-10-13 00:18:28,666 INFO L226 Difference]: Without dead ends: 180 [2024-10-13 00:18:28,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-13 00:18:28,669 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 151 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 00:18:28,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 579 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 00:18:28,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-13 00:18:28,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 121. [2024-10-13 00:18:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 80 states have (on average 1.4125) internal successors, (113), 81 states have internal predecessors, (113), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 00:18:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 189 transitions. [2024-10-13 00:18:28,702 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 189 transitions. Word has length 192 [2024-10-13 00:18:28,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:18:28,704 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 189 transitions. [2024-10-13 00:18:28,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 189 transitions. [2024-10-13 00:18:28,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-13 00:18:28,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:18:28,710 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:18:28,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 00:18:28,710 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:18:28,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:18:28,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1443770920, now seen corresponding path program 1 times [2024-10-13 00:18:28,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:18:28,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208218376] [2024-10-13 00:18:28,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:18:28,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:18:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:18:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:18:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:18:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:18:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:18:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:18:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:18:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:18:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:18:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:18:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:18:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:18:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:18:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:18:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:18:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:18:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:18:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:18:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:18:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:18:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:18:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:18:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:18:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:18:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:18:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:18:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:18:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:18:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:18:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:18:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:18:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:18:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:18:37,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:18:37,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208218376] [2024-10-13 00:18:37,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208218376] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:18:37,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:18:37,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 00:18:37,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846882209] [2024-10-13 00:18:37,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:18:37,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 00:18:37,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:18:37,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 00:18:37,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:18:37,506 INFO L87 Difference]: Start difference. First operand 121 states and 189 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:38,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:18:38,293 INFO L93 Difference]: Finished difference Result 289 states and 441 transitions. [2024-10-13 00:18:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 00:18:38,296 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-13 00:18:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:18:38,302 INFO L225 Difference]: With dead ends: 289 [2024-10-13 00:18:38,302 INFO L226 Difference]: Without dead ends: 169 [2024-10-13 00:18:38,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:18:38,304 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 192 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 00:18:38,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 482 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 00:18:38,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-13 00:18:38,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 124. [2024-10-13 00:18:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 84 states have internal predecessors, (116), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 00:18:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 192 transitions. [2024-10-13 00:18:38,383 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 192 transitions. Word has length 192 [2024-10-13 00:18:38,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:18:38,384 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 192 transitions. [2024-10-13 00:18:38,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 192 transitions. [2024-10-13 00:18:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-13 00:18:38,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:18:38,392 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:18:38,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 00:18:38,393 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:18:38,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:18:38,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1139014548, now seen corresponding path program 1 times [2024-10-13 00:18:38,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:18:38,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911083849] [2024-10-13 00:18:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:18:38,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:18:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:18:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:18:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:18:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:18:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:18:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:18:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:18:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:18:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:18:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:18:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:18:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:18:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:18:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:18:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:18:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:18:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:18:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:18:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:18:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:18:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:18:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:18:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:18:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:18:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:18:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:18:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:18:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:18:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:18:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:18:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:18:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:18:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:18:38,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:18:38,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911083849] [2024-10-13 00:18:38,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911083849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:18:38,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:18:38,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:18:38,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759066029] [2024-10-13 00:18:38,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:18:38,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:18:38,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:18:38,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:18:38,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:18:38,927 INFO L87 Difference]: Start difference. First operand 124 states and 192 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:39,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:18:39,178 INFO L93 Difference]: Finished difference Result 338 states and 524 transitions. [2024-10-13 00:18:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:18:39,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-13 00:18:39,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:18:39,185 INFO L225 Difference]: With dead ends: 338 [2024-10-13 00:18:39,188 INFO L226 Difference]: Without dead ends: 215 [2024-10-13 00:18:39,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:18:39,192 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 64 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:18:39,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 294 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 00:18:39,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-10-13 00:18:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2024-10-13 00:18:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 132 states have (on average 1.356060606060606) internal successors, (179), 134 states have internal predecessors, (179), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 00:18:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 331 transitions. [2024-10-13 00:18:39,260 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 331 transitions. Word has length 192 [2024-10-13 00:18:39,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:18:39,263 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 331 transitions. [2024-10-13 00:18:39,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 331 transitions. [2024-10-13 00:18:39,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 00:18:39,266 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:18:39,266 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:18:39,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 00:18:39,266 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:18:39,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:18:39,267 INFO L85 PathProgramCache]: Analyzing trace with hash 628966503, now seen corresponding path program 1 times [2024-10-13 00:18:39,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:18:39,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063018272] [2024-10-13 00:18:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:18:39,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:18:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:18:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:18:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:18:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:18:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:18:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:18:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:18:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:18:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:18:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:18:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:18:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:18:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:18:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:18:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:18:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:18:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:18:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:18:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:18:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:18:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:18:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:18:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:18:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:18:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:18:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:18:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:18:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:18:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:18:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:18:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:18:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:18:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:18:45,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:18:45,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063018272] [2024-10-13 00:18:45,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063018272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:18:45,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:18:45,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 00:18:45,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725379229] [2024-10-13 00:18:45,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:18:45,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 00:18:45,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:18:45,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 00:18:45,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:18:45,388 INFO L87 Difference]: Start difference. First operand 213 states and 331 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:46,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:18:46,017 INFO L93 Difference]: Finished difference Result 373 states and 569 transitions. [2024-10-13 00:18:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 00:18:46,020 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 193 [2024-10-13 00:18:46,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:18:46,024 INFO L225 Difference]: With dead ends: 373 [2024-10-13 00:18:46,024 INFO L226 Difference]: Without dead ends: 250 [2024-10-13 00:18:46,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:18:46,026 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 92 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 00:18:46,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 380 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 00:18:46,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-10-13 00:18:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 221. [2024-10-13 00:18:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 140 states have (on average 1.3642857142857143) internal successors, (191), 142 states have internal predecessors, (191), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 00:18:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 343 transitions. [2024-10-13 00:18:46,083 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 343 transitions. Word has length 193 [2024-10-13 00:18:46,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:18:46,085 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 343 transitions. [2024-10-13 00:18:46,087 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:46,088 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 343 transitions. [2024-10-13 00:18:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 00:18:46,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:18:46,090 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:18:46,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 00:18:46,090 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:18:46,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:18:46,091 INFO L85 PathProgramCache]: Analyzing trace with hash 887131941, now seen corresponding path program 1 times [2024-10-13 00:18:46,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:18:46,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165262253] [2024-10-13 00:18:46,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:18:46,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:18:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:18:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:18:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:18:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:18:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:18:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:18:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:18:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:18:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:18:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:18:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:18:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:18:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:18:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:18:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:18:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:18:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:18:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:18:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:18:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:18:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:18:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:18:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:18:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:18:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:18:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:18:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:18:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:18:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:18:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:18:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:18:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:18:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:18:52,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:18:52,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165262253] [2024-10-13 00:18:52,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165262253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:18:52,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:18:52,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 00:18:52,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697241324] [2024-10-13 00:18:52,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:18:52,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 00:18:52,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:18:52,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 00:18:52,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:18:52,604 INFO L87 Difference]: Start difference. First operand 221 states and 343 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:53,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:18:53,140 INFO L93 Difference]: Finished difference Result 366 states and 562 transitions. [2024-10-13 00:18:53,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 00:18:53,143 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 193 [2024-10-13 00:18:53,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:18:53,145 INFO L225 Difference]: With dead ends: 366 [2024-10-13 00:18:53,146 INFO L226 Difference]: Without dead ends: 235 [2024-10-13 00:18:53,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:18:53,147 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 104 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:18:53,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 295 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 00:18:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-13 00:18:53,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 212. [2024-10-13 00:18:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 131 states have (on average 1.3511450381679388) internal successors, (177), 133 states have internal predecessors, (177), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 00:18:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 329 transitions. [2024-10-13 00:18:53,201 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 329 transitions. Word has length 193 [2024-10-13 00:18:53,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:18:53,202 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 329 transitions. [2024-10-13 00:18:53,202 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 329 transitions. [2024-10-13 00:18:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 00:18:53,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:18:53,205 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:18:53,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 00:18:53,205 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:18:53,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:18:53,206 INFO L85 PathProgramCache]: Analyzing trace with hash 2023572167, now seen corresponding path program 1 times [2024-10-13 00:18:53,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:18:53,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796639777] [2024-10-13 00:18:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:18:53,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:18:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:18:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:18:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:18:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:18:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:18:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:18:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:18:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:18:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:18:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:18:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:18:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:18:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:18:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:18:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:18:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:18:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:18:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:18:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:18:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:18:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:18:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:18:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:18:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:18:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:18:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:18:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:18:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:18:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:18:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:18:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:18:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:18:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:18:53,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:18:53,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796639777] [2024-10-13 00:18:53,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796639777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:18:53,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:18:53,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:18:53,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416518856] [2024-10-13 00:18:53,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:18:53,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:18:53,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:18:53,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:18:53,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:18:53,509 INFO L87 Difference]: Start difference. First operand 212 states and 329 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:53,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:18:53,662 INFO L93 Difference]: Finished difference Result 558 states and 866 transitions. [2024-10-13 00:18:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 00:18:53,663 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 193 [2024-10-13 00:18:53,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:18:53,667 INFO L225 Difference]: With dead ends: 558 [2024-10-13 00:18:53,668 INFO L226 Difference]: Without dead ends: 360 [2024-10-13 00:18:53,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:18:53,671 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 81 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 00:18:53,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 326 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 00:18:53,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-13 00:18:53,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 318. [2024-10-13 00:18:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 208 states have (on average 1.3509615384615385) internal successors, (281), 213 states have internal predecessors, (281), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-13 00:18:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 485 transitions. [2024-10-13 00:18:53,728 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 485 transitions. Word has length 193 [2024-10-13 00:18:53,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:18:53,729 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 485 transitions. [2024-10-13 00:18:53,729 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:18:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 485 transitions. [2024-10-13 00:18:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 00:18:53,733 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:18:53,734 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:18:53,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 00:18:53,734 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:18:53,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:18:53,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1630545157, now seen corresponding path program 1 times [2024-10-13 00:18:53,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:18:53,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341973060] [2024-10-13 00:18:53,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:18:53,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:18:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:18:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:18:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:18:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:18:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:18:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:18:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:18:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:18:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:18:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:18:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:18:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:18:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:18:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:18:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:18:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:18:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:18:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:18:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:18:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:18:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:18:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:18:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:18:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:18:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:18:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:18:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:18:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:18:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:18:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:18:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:18:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:18:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:18:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:18:59,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:18:59,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341973060] [2024-10-13 00:18:59,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341973060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:18:59,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:18:59,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 00:18:59,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268264818] [2024-10-13 00:18:59,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:18:59,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 00:18:59,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:18:59,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 00:18:59,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-10-13 00:18:59,762 INFO L87 Difference]: Start difference. First operand 318 states and 485 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:19:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:19:00,513 INFO L93 Difference]: Finished difference Result 599 states and 892 transitions. [2024-10-13 00:19:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 00:19:00,514 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 193 [2024-10-13 00:19:00,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:19:00,517 INFO L225 Difference]: With dead ends: 599 [2024-10-13 00:19:00,517 INFO L226 Difference]: Without dead ends: 409 [2024-10-13 00:19:00,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:19:00,519 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 212 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 00:19:00,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 477 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 00:19:00,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-10-13 00:19:00,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 339. [2024-10-13 00:19:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 226 states have (on average 1.3495575221238938) internal successors, (305), 232 states have internal predecessors, (305), 104 states have call successors, (104), 8 states have call predecessors, (104), 8 states have return successors, (104), 98 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 00:19:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 513 transitions. [2024-10-13 00:19:00,583 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 513 transitions. Word has length 193 [2024-10-13 00:19:00,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:19:00,583 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 513 transitions. [2024-10-13 00:19:00,584 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:19:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 513 transitions. [2024-10-13 00:19:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 00:19:00,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:19:00,586 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:19:00,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 00:19:00,587 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:19:00,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:19:00,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1963357561, now seen corresponding path program 1 times [2024-10-13 00:19:00,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:19:00,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783346314] [2024-10-13 00:19:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:19:00,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:19:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:19:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:19:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:19:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:19:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:19:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:19:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:19:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:19:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:19:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:19:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:19:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:19:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:19:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:19:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:19:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:19:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:19:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:19:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:19:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:19:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 00:19:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:19:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 00:19:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:19:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 00:19:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:19:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 00:19:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 00:19:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 00:19:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 00:19:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 00:19:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 00:19:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:19:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 00:19:07,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:19:07,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783346314] [2024-10-13 00:19:07,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783346314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:19:07,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:19:07,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 00:19:07,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378536248] [2024-10-13 00:19:07,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:19:07,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 00:19:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:19:07,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 00:19:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:19:07,908 INFO L87 Difference]: Start difference. First operand 339 states and 513 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:19:08,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:19:08,746 INFO L93 Difference]: Finished difference Result 584 states and 874 transitions. [2024-10-13 00:19:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 00:19:08,747 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 193 [2024-10-13 00:19:08,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:19:08,751 INFO L225 Difference]: With dead ends: 584 [2024-10-13 00:19:08,751 INFO L226 Difference]: Without dead ends: 373 [2024-10-13 00:19:08,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-10-13 00:19:08,753 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 70 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 00:19:08,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 488 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 00:19:08,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-13 00:19:08,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 345. [2024-10-13 00:19:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 232 states have (on average 1.353448275862069) internal successors, (314), 238 states have internal predecessors, (314), 104 states have call successors, (104), 8 states have call predecessors, (104), 8 states have return successors, (104), 98 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 00:19:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 522 transitions. [2024-10-13 00:19:08,809 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 522 transitions. Word has length 193 [2024-10-13 00:19:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:19:08,810 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 522 transitions. [2024-10-13 00:19:08,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 00:19:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 522 transitions. [2024-10-13 00:19:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 00:19:08,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:19:08,812 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:19:08,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 00:19:08,813 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:19:08,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:19:08,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1765406729, now seen corresponding path program 1 times [2024-10-13 00:19:08,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:19:08,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796199586] [2024-10-13 00:19:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:19:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:19:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat