./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-66.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 e9f5cbcd9b5e7070eed068152e26dc672bc2b60288a251274726ceb1bf0c8d9b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 04:57:51,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 04:57:51,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 04:57:51,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 04:57:51,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 04:57:51,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 04:57:51,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 04:57:51,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 04:57:51,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 04:57:51,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 04:57:51,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 04:57:51,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 04:57:51,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 04:57:51,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 04:57:51,275 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 04:57:51,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 04:57:51,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 04:57:51,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 04:57:51,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 04:57:51,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 04:57:51,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 04:57:51,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 04:57:51,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 04:57:51,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 04:57:51,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 04:57:51,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 04:57:51,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 04:57:51,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 04:57:51,281 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 04:57:51,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 04:57:51,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 04:57:51,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 04:57:51,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:57:51,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 04:57:51,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 04:57:51,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 04:57:51,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 04:57:51,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 04:57:51,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 04:57:51,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 04:57:51,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 04:57:51,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 04:57:51,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9f5cbcd9b5e7070eed068152e26dc672bc2b60288a251274726ceb1bf0c8d9b [2024-11-10 04:57:51,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 04:57:51,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 04:57:51,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 04:57:51,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 04:57:51,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 04:57:51,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-66.i [2024-11-10 04:57:52,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 04:57:53,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 04:57:53,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-66.i [2024-11-10 04:57:53,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fcf87e6/94986b2677c245618b6ea240860b5e88/FLAG968f3d18f [2024-11-10 04:57:53,113 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fcf87e6/94986b2677c245618b6ea240860b5e88 [2024-11-10 04:57:53,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 04:57:53,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 04:57:53,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 04:57:53,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 04:57:53,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 04:57:53,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4c2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53, skipping insertion in model container [2024-11-10 04:57:53,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 04:57:53,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-66.i[919,932] [2024-11-10 04:57:53,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:57:53,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 04:57:53,367 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-66.i[919,932] [2024-11-10 04:57:53,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:57:53,428 INFO L204 MainTranslator]: Completed translation [2024-11-10 04:57:53,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53 WrapperNode [2024-11-10 04:57:53,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 04:57:53,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 04:57:53,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 04:57:53,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 04:57:53,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,485 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-10 04:57:53,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 04:57:53,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 04:57:53,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 04:57:53,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 04:57:53,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,542 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 04:57:53,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,560 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 04:57:53,566 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 04:57:53,572 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 04:57:53,573 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 04:57:53,574 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (1/1) ... [2024-11-10 04:57:53,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:57:53,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:57:53,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 04:57:53,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 04:57:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 04:57:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 04:57:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 04:57:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 04:57:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 04:57:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 04:57:53,755 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 04:57:53,759 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 04:57:54,129 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-10 04:57:54,130 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 04:57:54,145 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 04:57:54,147 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 04:57:54,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:57:54 BoogieIcfgContainer [2024-11-10 04:57:54,148 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 04:57:54,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 04:57:54,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 04:57:54,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 04:57:54,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:57:53" (1/3) ... [2024-11-10 04:57:54,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11383c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:57:54, skipping insertion in model container [2024-11-10 04:57:54,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:57:53" (2/3) ... [2024-11-10 04:57:54,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11383c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:57:54, skipping insertion in model container [2024-11-10 04:57:54,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:57:54" (3/3) ... [2024-11-10 04:57:54,157 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-66.i [2024-11-10 04:57:54,172 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 04:57:54,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 04:57:54,230 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 04:57:54,236 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;@32117ad9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 04:57:54,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 04:57:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 60 states have internal predecessors, (87), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 04:57:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 04:57:54,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:57:54,252 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:57:54,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:57:54,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:57:54,256 INFO L85 PathProgramCache]: Analyzing trace with hash 170596057, now seen corresponding path program 1 times [2024-11-10 04:57:54,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:57:54,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740328380] [2024-11-10 04:57:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:57:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:57:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:57:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:57:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:57:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:57:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:57:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:57:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:57:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:57:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:57:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:57:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:57:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:57:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:57:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:57:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:57:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:57:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:57:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:57:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:57:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:57:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:57:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:57:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:57:54,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:57:54,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740328380] [2024-11-10 04:57:54,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740328380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:57:54,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:57:54,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 04:57:54,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060555612] [2024-11-10 04:57:54,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:57:54,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 04:57:54,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:57:54,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 04:57:54,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:57:54,698 INFO L87 Difference]: Start difference. First operand has 84 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 60 states have internal predecessors, (87), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 04:57:54,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:57:54,757 INFO L93 Difference]: Finished difference Result 160 states and 277 transitions. [2024-11-10 04:57:54,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 04:57:54,760 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-10 04:57:54,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:57:54,785 INFO L225 Difference]: With dead ends: 160 [2024-11-10 04:57:54,786 INFO L226 Difference]: Without dead ends: 79 [2024-11-10 04:57:54,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:57:54,792 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:57:54,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:57:54,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-10 04:57:54,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-10 04:57:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 55 states have internal predecessors, (79), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 04:57:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 123 transitions. [2024-11-10 04:57:54,845 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 123 transitions. Word has length 151 [2024-11-10 04:57:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:57:54,845 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 123 transitions. [2024-11-10 04:57:54,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 04:57:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 123 transitions. [2024-11-10 04:57:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 04:57:54,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:57:54,848 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:57:54,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 04:57:54,850 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:57:54,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:57:54,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1716867173, now seen corresponding path program 1 times [2024-11-10 04:57:54,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:57:54,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272098920] [2024-11-10 04:57:54,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:57:54,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:57:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:57:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:57:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:57:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:57:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:57:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:57:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:57:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:57:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:57:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:57:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:57:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:57:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:57:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:57:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:57:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:57:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:57:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:57:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:57:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:57:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:57:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:57:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:57:55,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:57:55,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272098920] [2024-11-10 04:57:55,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272098920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:57:55,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:57:55,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:57:55,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620491516] [2024-11-10 04:57:55,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:57:55,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:57:55,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:57:55,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:57:55,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:57:55,161 INFO L87 Difference]: Start difference. First operand 79 states and 123 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:57:55,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:57:55,255 INFO L93 Difference]: Finished difference Result 229 states and 359 transitions. [2024-11-10 04:57:55,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:57:55,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-10 04:57:55,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:57:55,258 INFO L225 Difference]: With dead ends: 229 [2024-11-10 04:57:55,258 INFO L226 Difference]: Without dead ends: 153 [2024-11-10 04:57:55,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:57:55,263 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 110 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:57:55,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 220 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 04:57:55,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-10 04:57:55,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2024-11-10 04:57:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 103 states have internal predecessors, (144), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 04:57:55,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 232 transitions. [2024-11-10 04:57:55,300 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 232 transitions. Word has length 151 [2024-11-10 04:57:55,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:57:55,301 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 232 transitions. [2024-11-10 04:57:55,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:57:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 232 transitions. [2024-11-10 04:57:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 04:57:55,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:57:55,308 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:57:55,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 04:57:55,309 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:57:55,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:57:55,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1206332996, now seen corresponding path program 1 times [2024-11-10 04:57:55,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:57:55,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035581716] [2024-11-10 04:57:55,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:57:55,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:57:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:57:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:57:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:57:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:57:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:57:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:57:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:57:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:57:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:57:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:57:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:57:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:57:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:57:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:57:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:57:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:57:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:57:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:57:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:57:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:57:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:57:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:57:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:57:55,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:57:55,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035581716] [2024-11-10 04:57:55,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035581716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:57:55,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:57:55,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 04:57:55,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349922121] [2024-11-10 04:57:55,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:57:55,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 04:57:55,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:57:55,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 04:57:55,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 04:57:55,869 INFO L87 Difference]: Start difference. First operand 150 states and 232 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:57:56,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:57:56,353 INFO L93 Difference]: Finished difference Result 557 states and 813 transitions. [2024-11-10 04:57:56,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 04:57:56,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-10 04:57:56,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:57:56,363 INFO L225 Difference]: With dead ends: 557 [2024-11-10 04:57:56,363 INFO L226 Difference]: Without dead ends: 410 [2024-11-10 04:57:56,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 04:57:56,376 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 247 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:57:56,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 539 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 04:57:56,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-10 04:57:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 234. [2024-11-10 04:57:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 181 states have (on average 1.4530386740331491) internal successors, (263), 183 states have internal predecessors, (263), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 04:57:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 359 transitions. [2024-11-10 04:57:56,437 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 359 transitions. Word has length 151 [2024-11-10 04:57:56,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:57:56,437 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 359 transitions. [2024-11-10 04:57:56,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:57:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 359 transitions. [2024-11-10 04:57:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:57:56,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:57:56,441 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:57:56,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 04:57:56,441 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:57:56,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:57:56,441 INFO L85 PathProgramCache]: Analyzing trace with hash 87633923, now seen corresponding path program 1 times [2024-11-10 04:57:56,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:57:56,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295679011] [2024-11-10 04:57:56,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:57:56,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:57:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:57:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:57:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:57:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:57:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:57:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:57:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:57:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:57:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:57:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:57:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:57:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:57:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:57:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:57:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:57:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:57:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:57:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:57:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:57:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:57:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:57:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:57:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 24 proven. 39 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-10 04:57:56,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:57:56,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295679011] [2024-11-10 04:57:56,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295679011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 04:57:56,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076142494] [2024-11-10 04:57:56,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:57:56,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:57:56,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:57:56,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 04:57:56,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 04:57:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:56,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 04:57:56,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 04:57:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 453 proven. 39 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-10 04:57:57,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 04:57:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 24 proven. 39 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-10 04:57:57,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076142494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 04:57:57,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 04:57:57,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-10 04:57:57,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375605453] [2024-11-10 04:57:57,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 04:57:57,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 04:57:57,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:57:57,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 04:57:57,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-10 04:57:57,307 INFO L87 Difference]: Start difference. First operand 234 states and 359 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-10 04:57:58,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:57:58,029 INFO L93 Difference]: Finished difference Result 1016 states and 1477 transitions. [2024-11-10 04:57:58,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-10 04:57:58,029 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 152 [2024-11-10 04:57:58,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:57:58,034 INFO L225 Difference]: With dead ends: 1016 [2024-11-10 04:57:58,034 INFO L226 Difference]: Without dead ends: 785 [2024-11-10 04:57:58,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=285, Invalid=645, Unknown=0, NotChecked=0, Total=930 [2024-11-10 04:57:58,036 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 341 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:57:58,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 456 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 04:57:58,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-10 04:57:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 670. [2024-11-10 04:57:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 525 states have (on average 1.3961904761904762) internal successors, (733), 543 states have internal predecessors, (733), 120 states have call successors, (120), 24 states have call predecessors, (120), 24 states have return successors, (120), 102 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-10 04:57:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 973 transitions. [2024-11-10 04:57:58,093 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 973 transitions. Word has length 152 [2024-11-10 04:57:58,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:57:58,093 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 973 transitions. [2024-11-10 04:57:58,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-10 04:57:58,094 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 973 transitions. [2024-11-10 04:57:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:57:58,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:57:58,095 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:57:58,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 04:57:58,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:57:58,300 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:57:58,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:57:58,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1717832055, now seen corresponding path program 1 times [2024-11-10 04:57:58,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:57:58,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771492927] [2024-11-10 04:57:58,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:57:58,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:57:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:57:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:57:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:57:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:57:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:57:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:57:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:57:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:57:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:57:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:57:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:57:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:57:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:57:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:57:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:57:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:57:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:57:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:57:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:57:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:57:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:57:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:57:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:57:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:57:58,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:57:58,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771492927] [2024-11-10 04:57:58,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771492927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:57:58,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:57:58,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:57:58,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829558824] [2024-11-10 04:57:58,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:57:58,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:57:58,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:57:58,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:57:58,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:57:58,541 INFO L87 Difference]: Start difference. First operand 670 states and 973 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:57:58,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:57:58,752 INFO L93 Difference]: Finished difference Result 2133 states and 3085 transitions. [2024-11-10 04:57:58,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:57:58,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 04:57:58,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:57:58,763 INFO L225 Difference]: With dead ends: 2133 [2024-11-10 04:57:58,763 INFO L226 Difference]: Without dead ends: 1466 [2024-11-10 04:57:58,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:57:58,766 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 202 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:57:58,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 258 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 04:57:58,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2024-11-10 04:57:58,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 1457. [2024-11-10 04:57:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1148 states have (on average 1.39198606271777) internal successors, (1598), 1192 states have internal predecessors, (1598), 252 states have call successors, (252), 56 states have call predecessors, (252), 56 states have return successors, (252), 208 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-10 04:57:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2102 transitions. [2024-11-10 04:57:58,908 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2102 transitions. Word has length 152 [2024-11-10 04:57:58,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:57:58,909 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 2102 transitions. [2024-11-10 04:57:58,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:57:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2102 transitions. [2024-11-10 04:57:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:57:58,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:57:58,912 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:57:58,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 04:57:58,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:57:58,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:57:58,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1588749336, now seen corresponding path program 1 times [2024-11-10 04:57:58,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:57:58,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135795706] [2024-11-10 04:57:58,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:57:58,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:57:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:58:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:58:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:58:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:58:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:58:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:58:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:58:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:58:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:58:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:58:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:58:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:58:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:58:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:58:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:58:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:58:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:58:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:58:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:58:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:58:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:58:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:58:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:58:05,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:58:05,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135795706] [2024-11-10 04:58:05,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135795706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:58:05,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:58:05,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 04:58:05,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64672141] [2024-11-10 04:58:05,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:58:05,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 04:58:05,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:58:05,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 04:58:05,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-10 04:58:05,903 INFO L87 Difference]: Start difference. First operand 1457 states and 2102 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:11,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:58:11,511 INFO L93 Difference]: Finished difference Result 3734 states and 5296 transitions. [2024-11-10 04:58:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 04:58:11,512 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 04:58:11,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:58:11,524 INFO L225 Difference]: With dead ends: 3734 [2024-11-10 04:58:11,525 INFO L226 Difference]: Without dead ends: 3731 [2024-11-10 04:58:11,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2024-11-10 04:58:11,527 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 649 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-10 04:58:11,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 850 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-10 04:58:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2024-11-10 04:58:11,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 2456. [2024-11-10 04:58:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 2005 states have (on average 1.4064837905236909) internal successors, (2820), 2083 states have internal predecessors, (2820), 354 states have call successors, (354), 96 states have call predecessors, (354), 96 states have return successors, (354), 276 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-10 04:58:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 3528 transitions. [2024-11-10 04:58:11,705 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 3528 transitions. Word has length 152 [2024-11-10 04:58:11,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:58:11,706 INFO L471 AbstractCegarLoop]: Abstraction has 2456 states and 3528 transitions. [2024-11-10 04:58:11,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 3528 transitions. [2024-11-10 04:58:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:58:11,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:58:11,712 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:58:11,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 04:58:11,712 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:58:11,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:58:11,712 INFO L85 PathProgramCache]: Analyzing trace with hash -433884277, now seen corresponding path program 1 times [2024-11-10 04:58:11,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:58:11,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723239652] [2024-11-10 04:58:11,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:58:11,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:58:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:58:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:58:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:58:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:58:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:58:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:58:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:58:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:58:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:58:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:58:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:58:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:58:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:58:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:58:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:58:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:58:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:58:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:58:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:58:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:58:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:58:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:58:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:58:20,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:58:20,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723239652] [2024-11-10 04:58:20,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723239652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:58:20,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:58:20,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 04:58:20,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803642754] [2024-11-10 04:58:20,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:58:20,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 04:58:20,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:58:20,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 04:58:20,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-11-10 04:58:20,554 INFO L87 Difference]: Start difference. First operand 2456 states and 3528 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:24,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:58:24,719 INFO L93 Difference]: Finished difference Result 3828 states and 5381 transitions. [2024-11-10 04:58:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 04:58:24,720 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 04:58:24,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:58:24,733 INFO L225 Difference]: With dead ends: 3828 [2024-11-10 04:58:24,734 INFO L226 Difference]: Without dead ends: 3825 [2024-11-10 04:58:24,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2024-11-10 04:58:24,737 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 506 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:58:24,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 619 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 04:58:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2024-11-10 04:58:24,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 2361. [2024-11-10 04:58:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2361 states, 1910 states have (on average 1.3984293193717277) internal successors, (2671), 1982 states have internal predecessors, (2671), 352 states have call successors, (352), 98 states have call predecessors, (352), 98 states have return successors, (352), 280 states have call predecessors, (352), 352 states have call successors, (352) [2024-11-10 04:58:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 3375 transitions. [2024-11-10 04:58:24,896 INFO L78 Accepts]: Start accepts. Automaton has 2361 states and 3375 transitions. Word has length 152 [2024-11-10 04:58:24,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:58:24,896 INFO L471 AbstractCegarLoop]: Abstraction has 2361 states and 3375 transitions. [2024-11-10 04:58:24,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 3375 transitions. [2024-11-10 04:58:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:58:24,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:58:24,899 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:58:24,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 04:58:24,899 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:58:24,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:58:24,899 INFO L85 PathProgramCache]: Analyzing trace with hash -2094307961, now seen corresponding path program 1 times [2024-11-10 04:58:24,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:58:24,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871447148] [2024-11-10 04:58:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:58:24,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:58:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:58:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:58:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:58:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:58:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:58:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:58:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:58:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:58:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:58:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:58:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:58:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:58:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:58:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:58:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:58:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:58:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:58:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:58:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:58:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:58:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:58:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:58:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:58:29,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:58:29,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871447148] [2024-11-10 04:58:29,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871447148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:58:29,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:58:29,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 04:58:29,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441498339] [2024-11-10 04:58:29,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:58:29,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 04:58:29,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:58:29,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 04:58:29,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-10 04:58:29,577 INFO L87 Difference]: Start difference. First operand 2361 states and 3375 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:32,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:58:32,643 INFO L93 Difference]: Finished difference Result 3113 states and 4404 transitions. [2024-11-10 04:58:32,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 04:58:32,644 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 04:58:32,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:58:32,658 INFO L225 Difference]: With dead ends: 3113 [2024-11-10 04:58:32,658 INFO L226 Difference]: Without dead ends: 3110 [2024-11-10 04:58:32,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=241, Invalid=571, Unknown=0, NotChecked=0, Total=812 [2024-11-10 04:58:32,662 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 626 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 04:58:32,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 652 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 04:58:32,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2024-11-10 04:58:32,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2362. [2024-11-10 04:58:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2362 states, 1911 states have (on average 1.3987441130298273) internal successors, (2673), 1983 states have internal predecessors, (2673), 352 states have call successors, (352), 98 states have call predecessors, (352), 98 states have return successors, (352), 280 states have call predecessors, (352), 352 states have call successors, (352) [2024-11-10 04:58:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 3377 transitions. [2024-11-10 04:58:32,863 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 3377 transitions. Word has length 152 [2024-11-10 04:58:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:58:32,864 INFO L471 AbstractCegarLoop]: Abstraction has 2362 states and 3377 transitions. [2024-11-10 04:58:32,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 3377 transitions. [2024-11-10 04:58:32,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:58:32,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:58:32,867 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:58:32,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 04:58:32,867 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:58:32,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:58:32,867 INFO L85 PathProgramCache]: Analyzing trace with hash -939442902, now seen corresponding path program 1 times [2024-11-10 04:58:32,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:58:32,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179697147] [2024-11-10 04:58:32,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:58:32,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:58:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:58:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:58:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:58:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:58:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:58:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:58:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:58:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:58:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:58:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:58:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:58:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:58:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:58:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:58:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:58:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:58:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:58:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:58:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:58:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:58:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:58:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:58:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:58:38,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:58:38,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179697147] [2024-11-10 04:58:38,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179697147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:58:38,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:58:38,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 04:58:38,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109627794] [2024-11-10 04:58:38,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:58:38,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 04:58:38,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:58:38,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 04:58:38,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 04:58:38,397 INFO L87 Difference]: Start difference. First operand 2362 states and 3377 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:40,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 04:58:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:58:43,648 INFO L93 Difference]: Finished difference Result 3127 states and 4396 transitions. [2024-11-10 04:58:43,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 04:58:43,648 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 04:58:43,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:58:43,660 INFO L225 Difference]: With dead ends: 3127 [2024-11-10 04:58:43,661 INFO L226 Difference]: Without dead ends: 3124 [2024-11-10 04:58:43,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 04:58:43,663 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 467 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-10 04:58:43,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 716 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-10 04:58:43,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2024-11-10 04:58:43,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 2361. [2024-11-10 04:58:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2361 states, 1910 states have (on average 1.3984293193717277) internal successors, (2671), 1982 states have internal predecessors, (2671), 352 states have call successors, (352), 98 states have call predecessors, (352), 98 states have return successors, (352), 280 states have call predecessors, (352), 352 states have call successors, (352) [2024-11-10 04:58:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 3375 transitions. [2024-11-10 04:58:43,842 INFO L78 Accepts]: Start accepts. Automaton has 2361 states and 3375 transitions. Word has length 152 [2024-11-10 04:58:43,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:58:43,842 INFO L471 AbstractCegarLoop]: Abstraction has 2361 states and 3375 transitions. [2024-11-10 04:58:43,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 3375 transitions. [2024-11-10 04:58:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:58:43,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:58:43,846 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:58:43,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 04:58:43,847 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:58:43,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:58:43,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2056580998, now seen corresponding path program 1 times [2024-11-10 04:58:43,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:58:43,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801977465] [2024-11-10 04:58:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:58:43,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:58:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:58:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:58:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:58:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:58:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:58:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:58:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:58:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:58:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:58:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:58:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:58:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:58:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:58:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:58:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:58:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:58:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:58:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:58:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:58:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:58:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:58:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:58:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:58:48,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:58:48,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801977465] [2024-11-10 04:58:48,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801977465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:58:48,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:58:48,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 04:58:48,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228843028] [2024-11-10 04:58:48,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:58:48,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 04:58:48,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:58:48,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 04:58:48,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-10 04:58:48,916 INFO L87 Difference]: Start difference. First operand 2361 states and 3375 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:51,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:58:51,169 INFO L93 Difference]: Finished difference Result 3150 states and 4427 transitions. [2024-11-10 04:58:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 04:58:51,170 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 04:58:51,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:58:51,182 INFO L225 Difference]: With dead ends: 3150 [2024-11-10 04:58:51,182 INFO L226 Difference]: Without dead ends: 3147 [2024-11-10 04:58:51,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 04:58:51,185 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 457 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 04:58:51,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 673 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 04:58:51,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2024-11-10 04:58:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 2378. [2024-11-10 04:58:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2378 states, 1927 states have (on average 1.401141670991178) internal successors, (2700), 1999 states have internal predecessors, (2700), 352 states have call successors, (352), 98 states have call predecessors, (352), 98 states have return successors, (352), 280 states have call predecessors, (352), 352 states have call successors, (352) [2024-11-10 04:58:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 3404 transitions. [2024-11-10 04:58:51,388 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 3404 transitions. Word has length 152 [2024-11-10 04:58:51,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:58:51,388 INFO L471 AbstractCegarLoop]: Abstraction has 2378 states and 3404 transitions. [2024-11-10 04:58:51,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 3404 transitions. [2024-11-10 04:58:51,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:58:51,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:58:51,390 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:58:51,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 04:58:51,391 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:58:51,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:58:51,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1763177991, now seen corresponding path program 1 times [2024-11-10 04:58:51,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:58:51,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537790979] [2024-11-10 04:58:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:58:51,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:58:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:58:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:58:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:58:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:58:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:58:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:58:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:58:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:58:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:58:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:58:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:58:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:58:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:58:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:58:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:58:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:58:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:58:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:58:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:58:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:58:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:58:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:58:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:58:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:58:55,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:58:55,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537790979] [2024-11-10 04:58:55,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537790979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:58:55,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:58:55,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 04:58:55,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619288013] [2024-11-10 04:58:55,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:58:55,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 04:58:55,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:58:55,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 04:58:55,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-10 04:58:55,935 INFO L87 Difference]: Start difference. First operand 2378 states and 3404 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:59,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:58:59,760 INFO L93 Difference]: Finished difference Result 3166 states and 4447 transitions. [2024-11-10 04:58:59,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 04:58:59,761 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 04:58:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:58:59,785 INFO L225 Difference]: With dead ends: 3166 [2024-11-10 04:58:59,785 INFO L226 Difference]: Without dead ends: 3163 [2024-11-10 04:58:59,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=265, Invalid=665, Unknown=0, NotChecked=0, Total=930 [2024-11-10 04:58:59,791 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 733 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 04:58:59,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 687 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 04:58:59,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2024-11-10 04:58:59,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 2397. [2024-11-10 04:58:59,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 1938 states have (on average 1.3988648090815274) internal successors, (2711), 2011 states have internal predecessors, (2711), 358 states have call successors, (358), 100 states have call predecessors, (358), 100 states have return successors, (358), 285 states have call predecessors, (358), 358 states have call successors, (358) [2024-11-10 04:58:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 3427 transitions. [2024-11-10 04:58:59,988 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 3427 transitions. Word has length 152 [2024-11-10 04:58:59,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:58:59,989 INFO L471 AbstractCegarLoop]: Abstraction has 2397 states and 3427 transitions. [2024-11-10 04:58:59,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:58:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 3427 transitions. [2024-11-10 04:58:59,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:58:59,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:58:59,991 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:58:59,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 04:58:59,991 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:58:59,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:58:59,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1709145607, now seen corresponding path program 1 times [2024-11-10 04:58:59,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:58:59,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892958881] [2024-11-10 04:58:59,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:58:59,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:59:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:59:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:59:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:59:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:59:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 04:59:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:59:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 04:59:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:59:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:59:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:59:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:59:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:59:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:59:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:59:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:59:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:59:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:59:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:59:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:59:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:59:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:59:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 04:59:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:59:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 04:59:07,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:59:07,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892958881] [2024-11-10 04:59:07,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892958881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:59:07,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:59:07,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 04:59:07,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491339257] [2024-11-10 04:59:07,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:59:07,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 04:59:07,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:59:07,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 04:59:07,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-10 04:59:07,182 INFO L87 Difference]: Start difference. First operand 2397 states and 3427 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:59:13,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:59:13,369 INFO L93 Difference]: Finished difference Result 3351 states and 4798 transitions. [2024-11-10 04:59:13,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-10 04:59:13,370 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 04:59:13,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:59:13,380 INFO L225 Difference]: With dead ends: 3351 [2024-11-10 04:59:13,381 INFO L226 Difference]: Without dead ends: 3348 [2024-11-10 04:59:13,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=478, Invalid=1244, Unknown=0, NotChecked=0, Total=1722 [2024-11-10 04:59:13,383 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 800 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 04:59:13,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 850 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 04:59:13,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3348 states. [2024-11-10 04:59:13,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3348 to 2407. [2024-11-10 04:59:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2407 states, 1948 states have (on average 1.4004106776180698) internal successors, (2728), 2021 states have internal predecessors, (2728), 358 states have call successors, (358), 100 states have call predecessors, (358), 100 states have return successors, (358), 285 states have call predecessors, (358), 358 states have call successors, (358) [2024-11-10 04:59:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 3444 transitions. [2024-11-10 04:59:13,654 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 3444 transitions. Word has length 152 [2024-11-10 04:59:13,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:59:13,655 INFO L471 AbstractCegarLoop]: Abstraction has 2407 states and 3444 transitions. [2024-11-10 04:59:13,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 04:59:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3444 transitions. [2024-11-10 04:59:13,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 04:59:13,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:59:13,657 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:59:13,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 04:59:13,657 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:59:13,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:59:13,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1430956630, now seen corresponding path program 1 times [2024-11-10 04:59:13,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:59:13,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635299225] [2024-11-10 04:59:13,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:59:13,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:59:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat