./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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-pr-co_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 fc772c7bbac1de5fe64d64c143c1154d0fb749c01b6a27196c7210715a9fc32d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:47:23,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:47:24,028 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:47:24,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:47:24,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:47:24,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:47:24,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:47:24,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:47:24,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:47:24,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:47:24,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:47:24,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:47:24,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:47:24,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:47:24,060 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:47:24,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:47:24,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:47:24,061 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:47:24,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:47:24,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:47:24,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:47:24,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:47:24,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:47:24,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:47:24,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:47:24,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:47:24,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:47:24,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:47:24,064 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:47:24,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:47:24,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:47:24,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:47:24,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:47:24,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:47:24,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:47:24,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:47:24,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:47:24,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:47:24,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:47:24,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:47:24,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:47:24,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:47:24,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc772c7bbac1de5fe64d64c143c1154d0fb749c01b6a27196c7210715a9fc32d [2024-11-16 14:47:24,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:47:24,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:47:24,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:47:24,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:47:24,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:47:24,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-16 14:47:25,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:47:25,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:47:25,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-16 14:47:25,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1cf4070/524e4cf945fb4764bdc8f302d2382abb/FLAG0562aad8f [2024-11-16 14:47:25,649 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1cf4070/524e4cf945fb4764bdc8f302d2382abb [2024-11-16 14:47:25,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:47:25,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:47:25,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:47:25,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:47:25,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:47:25,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af42dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25, skipping insertion in model container [2024-11-16 14:47:25,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:47:25,811 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-pr-co_file-66.i[919,932] [2024-11-16 14:47:25,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:47:25,865 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:47:25,875 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-pr-co_file-66.i[919,932] [2024-11-16 14:47:25,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:47:25,917 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:47:25,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25 WrapperNode [2024-11-16 14:47:25,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:47:25,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:47:25,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:47:25,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:47:25,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,962 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2024-11-16 14:47:25,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:47:25,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:47:25,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:47:25,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:47:25,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,973 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,989 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]. [2024-11-16 14:47:25,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,994 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:25,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:47:26,000 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:47:26,000 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:47:26,000 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:47:26,000 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (1/1) ... [2024-11-16 14:47:26,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:47:26,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:47:26,079 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) [2024-11-16 14:47:26,092 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 [2024-11-16 14:47:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:47:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:47:26,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:47:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:47:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:47:26,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:47:26,200 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:47:26,201 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:47:26,495 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-16 14:47:26,495 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:47:26,506 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:47:26,506 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:47:26,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:47:26 BoogieIcfgContainer [2024-11-16 14:47:26,506 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:47:26,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:47:26,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:47:26,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:47:26,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:47:25" (1/3) ... [2024-11-16 14:47:26,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fbe334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:47:26, skipping insertion in model container [2024-11-16 14:47:26,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:47:25" (2/3) ... [2024-11-16 14:47:26,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fbe334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:47:26, skipping insertion in model container [2024-11-16 14:47:26,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:47:26" (3/3) ... [2024-11-16 14:47:26,514 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-16 14:47:26,528 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:47:26,529 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:47:26,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:47:26,579 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;@73c03461, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:47:26,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:47:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 61 states have internal predecessors, (88), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-16 14:47:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:47:26,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:47:26,595 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:47:26,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:47:26,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:47:26,599 INFO L85 PathProgramCache]: Analyzing trace with hash 998334483, now seen corresponding path program 1 times [2024-11-16 14:47:26,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:47:26,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613468787] [2024-11-16 14:47:26,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:47:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:47:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:47:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:47:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:47:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:47:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:47:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:47:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:47:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:47:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:47:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:47:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:47:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:47:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:47:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:47:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:47:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:47:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:47:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:47:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:47:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:47:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:47:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:47:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:47:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:47:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:47:26,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:47:26,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613468787] [2024-11-16 14:47:26,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613468787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:47:26,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:47:26,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:47:26,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569911477] [2024-11-16 14:47:26,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:47:26,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:47:26,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:47:26,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:47:26,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:47:26,982 INFO L87 Difference]: Start difference. First operand has 87 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 61 states have internal predecessors, (88), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 14:47:27,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:47:27,007 INFO L93 Difference]: Finished difference Result 164 states and 285 transitions. [2024-11-16 14:47:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:47:27,009 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2024-11-16 14:47:27,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:47:27,015 INFO L225 Difference]: With dead ends: 164 [2024-11-16 14:47:27,015 INFO L226 Difference]: Without dead ends: 80 [2024-11-16 14:47:27,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:47:27,020 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 [2024-11-16 14:47:27,020 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] [2024-11-16 14:47:27,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-16 14:47:27,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-16 14:47:27,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 54 states have internal predecessors, (75), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-16 14:47:27,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 123 transitions. [2024-11-16 14:47:27,062 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 123 transitions. Word has length 162 [2024-11-16 14:47:27,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:47:27,063 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 123 transitions. [2024-11-16 14:47:27,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 14:47:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2024-11-16 14:47:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:47:27,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:47:27,068 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:47:27,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:47:27,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:47:27,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:47:27,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1001832075, now seen corresponding path program 1 times [2024-11-16 14:47:27,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:47:27,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513220310] [2024-11-16 14:47:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:47:27,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:47:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:47:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:47:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:47:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:47:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:47:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:47:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:47:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:47:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:47:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:47:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:47:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:47:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:47:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:47:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:47:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:47:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:47:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:47:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:47:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:47:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:47:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:27,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:47:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:28,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:47:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:28,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:47:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:47:28,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:47:28,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513220310] [2024-11-16 14:47:28,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513220310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:47:28,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:47:28,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 14:47:28,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628583021] [2024-11-16 14:47:28,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:47:28,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 14:47:28,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:47:28,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 14:47:28,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 14:47:28,030 INFO L87 Difference]: Start difference. First operand 80 states and 123 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-16 14:47:28,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:47:28,413 INFO L93 Difference]: Finished difference Result 223 states and 331 transitions. [2024-11-16 14:47:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 14:47:28,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 162 [2024-11-16 14:47:28,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:47:28,417 INFO L225 Difference]: With dead ends: 223 [2024-11-16 14:47:28,418 INFO L226 Difference]: Without dead ends: 146 [2024-11-16 14:47:28,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 14:47:28,419 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 330 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 14:47:28,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 223 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 14:47:28,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-16 14:47:28,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 120. [2024-11-16 14:47:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 88 states have (on average 1.4204545454545454) internal successors, (125), 89 states have internal predecessors, (125), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 14:47:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 181 transitions. [2024-11-16 14:47:28,451 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 181 transitions. Word has length 162 [2024-11-16 14:47:28,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:47:28,451 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 181 transitions. [2024-11-16 14:47:28,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-16 14:47:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 181 transitions. [2024-11-16 14:47:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:47:28,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:47:28,454 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:47:28,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:47:28,454 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:47:28,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:47:28,456 INFO L85 PathProgramCache]: Analyzing trace with hash 740978260, now seen corresponding path program 1 times [2024-11-16 14:47:28,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:47:28,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102900225] [2024-11-16 14:47:28,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:47:28,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:47:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:47:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:47:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:47:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:47:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:47:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:47:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:47:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:47:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:47:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:47:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:47:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:47:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:47:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:47:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:47:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:47:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:47:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:47:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:47:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:47:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:47:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:47:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:47:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:47:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:47:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:47:32,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:47:32,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102900225] [2024-11-16 14:47:32,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102900225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:47:32,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:47:32,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 14:47:32,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723548932] [2024-11-16 14:47:32,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:47:32,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 14:47:32,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:47:32,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 14:47:32,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-16 14:47:32,759 INFO L87 Difference]: Start difference. First operand 120 states and 181 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:47:33,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:47:33,953 INFO L93 Difference]: Finished difference Result 547 states and 805 transitions. [2024-11-16 14:47:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 14:47:33,954 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-11-16 14:47:33,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:47:33,959 INFO L225 Difference]: With dead ends: 547 [2024-11-16 14:47:33,959 INFO L226 Difference]: Without dead ends: 430 [2024-11-16 14:47:33,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2024-11-16 14:47:33,961 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 362 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 14:47:33,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 752 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 14:47:33,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-16 14:47:33,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 215. [2024-11-16 14:47:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 156 states have (on average 1.3782051282051282) internal successors, (215), 157 states have internal predecessors, (215), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 14:47:33,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 319 transitions. [2024-11-16 14:47:33,997 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 319 transitions. Word has length 162 [2024-11-16 14:47:33,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:47:33,997 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 319 transitions. [2024-11-16 14:47:33,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:47:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 319 transitions. [2024-11-16 14:47:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:47:33,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:47:33,999 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:47:34,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:47:34,000 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:47:34,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:47:34,001 INFO L85 PathProgramCache]: Analyzing trace with hash 769607411, now seen corresponding path program 1 times [2024-11-16 14:47:34,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:47:34,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558472621] [2024-11-16 14:47:34,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:47:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:47:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:05,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:05,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558472621] [2024-11-16 14:48:05,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558472621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:05,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:05,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 14:48:05,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065176947] [2024-11-16 14:48:05,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:05,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 14:48:05,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:05,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 14:48:05,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 14:48:05,614 INFO L87 Difference]: Start difference. First operand 215 states and 319 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:06,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:06,884 INFO L93 Difference]: Finished difference Result 364 states and 526 transitions. [2024-11-16 14:48:06,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 14:48:06,884 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-11-16 14:48:06,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:06,887 INFO L225 Difference]: With dead ends: 364 [2024-11-16 14:48:06,887 INFO L226 Difference]: Without dead ends: 361 [2024-11-16 14:48:06,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2024-11-16 14:48:06,888 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 289 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:06,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 763 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 14:48:06,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-16 14:48:06,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 215. [2024-11-16 14:48:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 156 states have (on average 1.3782051282051282) internal successors, (215), 157 states have internal predecessors, (215), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 14:48:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 319 transitions. [2024-11-16 14:48:06,917 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 319 transitions. Word has length 162 [2024-11-16 14:48:06,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:06,917 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 319 transitions. [2024-11-16 14:48:06,918 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 319 transitions. [2024-11-16 14:48:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:48:06,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:06,919 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:06,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 14:48:06,920 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:06,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:06,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1295235082, now seen corresponding path program 1 times [2024-11-16 14:48:06,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:06,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360720765] [2024-11-16 14:48:06,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:06,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:07,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:07,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:07,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360720765] [2024-11-16 14:48:07,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360720765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:07,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:07,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 14:48:07,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495667841] [2024-11-16 14:48:07,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:07,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 14:48:07,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:07,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 14:48:07,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 14:48:07,776 INFO L87 Difference]: Start difference. First operand 215 states and 319 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-16 14:48:08,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:08,354 INFO L93 Difference]: Finished difference Result 405 states and 586 transitions. [2024-11-16 14:48:08,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 14:48:08,355 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 162 [2024-11-16 14:48:08,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:08,356 INFO L225 Difference]: With dead ends: 405 [2024-11-16 14:48:08,357 INFO L226 Difference]: Without dead ends: 288 [2024-11-16 14:48:08,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-11-16 14:48:08,359 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 396 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:08,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 310 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 14:48:08,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-16 14:48:08,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 225. [2024-11-16 14:48:08,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 167 states have internal predecessors, (227), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 14:48:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 327 transitions. [2024-11-16 14:48:08,383 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 327 transitions. Word has length 162 [2024-11-16 14:48:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:08,383 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 327 transitions. [2024-11-16 14:48:08,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-16 14:48:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 327 transitions. [2024-11-16 14:48:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:48:08,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:08,385 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:08,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 14:48:08,385 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:08,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:08,385 INFO L85 PathProgramCache]: Analyzing trace with hash 447575253, now seen corresponding path program 1 times [2024-11-16 14:48:08,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:08,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415626167] [2024-11-16 14:48:08,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:08,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:33,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:33,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415626167] [2024-11-16 14:48:33,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415626167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:33,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:33,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 14:48:33,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950558356] [2024-11-16 14:48:33,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:33,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 14:48:33,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:33,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 14:48:33,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-16 14:48:33,639 INFO L87 Difference]: Start difference. First operand 225 states and 327 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:35,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:35,038 INFO L93 Difference]: Finished difference Result 369 states and 516 transitions. [2024-11-16 14:48:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 14:48:35,039 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-11-16 14:48:35,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:35,041 INFO L225 Difference]: With dead ends: 369 [2024-11-16 14:48:35,041 INFO L226 Difference]: Without dead ends: 366 [2024-11-16 14:48:35,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2024-11-16 14:48:35,044 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 293 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:35,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 770 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 14:48:35,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-16 14:48:35,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 229. [2024-11-16 14:48:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 171 states have internal predecessors, (232), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 14:48:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 332 transitions. [2024-11-16 14:48:35,064 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 332 transitions. Word has length 162 [2024-11-16 14:48:35,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:35,065 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 332 transitions. [2024-11-16 14:48:35,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:35,065 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 332 transitions. [2024-11-16 14:48:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:48:35,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:35,066 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:35,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 14:48:35,066 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:35,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:35,067 INFO L85 PathProgramCache]: Analyzing trace with hash 476204404, now seen corresponding path program 1 times [2024-11-16 14:48:35,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:35,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126660654] [2024-11-16 14:48:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:35,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:40,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:40,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126660654] [2024-11-16 14:48:40,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126660654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:40,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:40,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 14:48:40,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44059551] [2024-11-16 14:48:40,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:40,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 14:48:40,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:40,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 14:48:40,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 14:48:40,370 INFO L87 Difference]: Start difference. First operand 229 states and 332 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:41,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:41,873 INFO L93 Difference]: Finished difference Result 383 states and 531 transitions. [2024-11-16 14:48:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 14:48:41,873 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-11-16 14:48:41,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:41,875 INFO L225 Difference]: With dead ends: 383 [2024-11-16 14:48:41,875 INFO L226 Difference]: Without dead ends: 380 [2024-11-16 14:48:41,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-16 14:48:41,876 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 353 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:41,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 784 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 14:48:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-16 14:48:41,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 229. [2024-11-16 14:48:41,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 171 states have internal predecessors, (232), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 14:48:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 332 transitions. [2024-11-16 14:48:41,896 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 332 transitions. Word has length 162 [2024-11-16 14:48:41,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:41,897 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 332 transitions. [2024-11-16 14:48:41,897 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 332 transitions. [2024-11-16 14:48:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:48:41,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:41,898 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:41,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 14:48:41,899 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:41,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:41,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2094287957, now seen corresponding path program 1 times [2024-11-16 14:48:41,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:41,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962776099] [2024-11-16 14:48:41,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:41,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:41,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:41,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962776099] [2024-11-16 14:48:41,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962776099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:41,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:41,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 14:48:41,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200686002] [2024-11-16 14:48:41,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:41,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 14:48:41,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:41,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 14:48:41,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:48:41,965 INFO L87 Difference]: Start difference. First operand 229 states and 332 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:42,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:42,016 INFO L93 Difference]: Finished difference Result 477 states and 702 transitions. [2024-11-16 14:48:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:48:42,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-11-16 14:48:42,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:42,019 INFO L225 Difference]: With dead ends: 477 [2024-11-16 14:48:42,021 INFO L226 Difference]: Without dead ends: 354 [2024-11-16 14:48:42,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:48:42,022 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 104 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:42,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 321 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:48:42,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-16 14:48:42,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 351. [2024-11-16 14:48:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 262 states have (on average 1.3244274809160306) internal successors, (347), 264 states have internal predecessors, (347), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-16 14:48:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 499 transitions. [2024-11-16 14:48:42,055 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 499 transitions. Word has length 162 [2024-11-16 14:48:42,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:42,056 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 499 transitions. [2024-11-16 14:48:42,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 499 transitions. [2024-11-16 14:48:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:48:42,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:42,057 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:42,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 14:48:42,057 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:42,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:42,058 INFO L85 PathProgramCache]: Analyzing trace with hash -2071596620, now seen corresponding path program 1 times [2024-11-16 14:48:42,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:42,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771659243] [2024-11-16 14:48:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:42,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:42,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:42,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771659243] [2024-11-16 14:48:42,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771659243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:42,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:42,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 14:48:42,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294980164] [2024-11-16 14:48:42,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:42,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 14:48:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:42,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 14:48:42,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:48:42,184 INFO L87 Difference]: Start difference. First operand 351 states and 499 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:42,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:42,353 INFO L93 Difference]: Finished difference Result 761 states and 1064 transitions. [2024-11-16 14:48:42,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 14:48:42,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-11-16 14:48:42,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:42,355 INFO L225 Difference]: With dead ends: 761 [2024-11-16 14:48:42,356 INFO L226 Difference]: Without dead ends: 545 [2024-11-16 14:48:42,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 14:48:42,357 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 102 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:42,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 398 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:48:42,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-16 14:48:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 485. [2024-11-16 14:48:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 366 states have (on average 1.319672131147541) internal successors, (483), 369 states have internal predecessors, (483), 102 states have call successors, (102), 16 states have call predecessors, (102), 16 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-16 14:48:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 687 transitions. [2024-11-16 14:48:42,400 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 687 transitions. Word has length 162 [2024-11-16 14:48:42,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:42,401 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 687 transitions. [2024-11-16 14:48:42,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-16 14:48:42,401 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 687 transitions. [2024-11-16 14:48:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:48:42,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:42,402 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:42,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 14:48:42,402 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:42,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:42,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1929967669, now seen corresponding path program 1 times [2024-11-16 14:48:42,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:42,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626022103] [2024-11-16 14:48:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:42,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:44,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:44,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626022103] [2024-11-16 14:48:44,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626022103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:44,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:44,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 14:48:44,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586675129] [2024-11-16 14:48:44,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:44,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 14:48:44,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:44,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 14:48:44,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-16 14:48:44,404 INFO L87 Difference]: Start difference. First operand 485 states and 687 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-16 14:48:45,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:45,437 INFO L93 Difference]: Finished difference Result 992 states and 1368 transitions. [2024-11-16 14:48:45,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 14:48:45,438 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 162 [2024-11-16 14:48:45,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:45,441 INFO L225 Difference]: With dead ends: 992 [2024-11-16 14:48:45,441 INFO L226 Difference]: Without dead ends: 656 [2024-11-16 14:48:45,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-16 14:48:45,442 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 356 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:45,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 882 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 14:48:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-16 14:48:45,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 503. [2024-11-16 14:48:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 384 states have (on average 1.328125) internal successors, (510), 387 states have internal predecessors, (510), 102 states have call successors, (102), 16 states have call predecessors, (102), 16 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-16 14:48:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 714 transitions. [2024-11-16 14:48:45,488 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 714 transitions. Word has length 162 [2024-11-16 14:48:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:45,489 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 714 transitions. [2024-11-16 14:48:45,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-16 14:48:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 714 transitions. [2024-11-16 14:48:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 14:48:45,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:45,490 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:45,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 14:48:45,490 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:45,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:45,491 INFO L85 PathProgramCache]: Analyzing trace with hash 332154035, now seen corresponding path program 1 times [2024-11-16 14:48:45,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:45,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441447399] [2024-11-16 14:48:45,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:45,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:45,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:45,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441447399] [2024-11-16 14:48:45,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441447399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:45,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:45,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 14:48:45,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945918280] [2024-11-16 14:48:45,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:45,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 14:48:45,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:45,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 14:48:45,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:48:45,697 INFO L87 Difference]: Start difference. First operand 503 states and 714 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 14:48:45,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:45,940 INFO L93 Difference]: Finished difference Result 1109 states and 1540 transitions. [2024-11-16 14:48:45,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 14:48:45,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2024-11-16 14:48:45,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:45,944 INFO L225 Difference]: With dead ends: 1109 [2024-11-16 14:48:45,944 INFO L226 Difference]: Without dead ends: 724 [2024-11-16 14:48:45,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 14:48:45,946 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 189 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:45,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 211 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:48:45,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-16 14:48:45,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 513. [2024-11-16 14:48:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 394 states have (on average 1.3299492385786802) internal successors, (524), 397 states have internal predecessors, (524), 102 states have call successors, (102), 16 states have call predecessors, (102), 16 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-16 14:48:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 728 transitions. [2024-11-16 14:48:45,997 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 728 transitions. Word has length 162 [2024-11-16 14:48:45,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:45,997 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 728 transitions. [2024-11-16 14:48:45,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 14:48:45,997 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 728 transitions. [2024-11-16 14:48:45,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-16 14:48:45,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:45,999 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:45,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 14:48:45,999 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:46,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:46,000 INFO L85 PathProgramCache]: Analyzing trace with hash 246165814, now seen corresponding path program 1 times [2024-11-16 14:48:46,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:46,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110682611] [2024-11-16 14:48:46,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:46,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:48:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:48:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:48:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:48:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:48:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:48:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:48:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:48:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:48:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:48:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:48:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:48:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:48:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:48:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:48:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:48:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:48:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:48:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:48:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:48:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:48:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:48:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:48:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 14:48:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:48:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-16 14:48:49,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:48:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110682611] [2024-11-16 14:48:49,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110682611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:48:49,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:48:49,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-16 14:48:49,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253999192] [2024-11-16 14:48:49,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:48:49,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 14:48:49,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:48:49,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 14:48:49,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-16 14:48:49,745 INFO L87 Difference]: Start difference. First operand 513 states and 728 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 14:48:52,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:48:52,451 INFO L93 Difference]: Finished difference Result 1323 states and 1824 transitions. [2024-11-16 14:48:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 14:48:52,452 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 163 [2024-11-16 14:48:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:48:52,455 INFO L225 Difference]: With dead ends: 1323 [2024-11-16 14:48:52,455 INFO L226 Difference]: Without dead ends: 1073 [2024-11-16 14:48:52,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=270, Invalid=786, Unknown=0, NotChecked=0, Total=1056 [2024-11-16 14:48:52,457 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 576 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 14:48:52,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 773 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 14:48:52,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-16 14:48:52,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 477. [2024-11-16 14:48:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 364 states have (on average 1.3461538461538463) internal successors, (490), 364 states have internal predecessors, (490), 96 states have call successors, (96), 16 states have call predecessors, (96), 16 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-16 14:48:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 682 transitions. [2024-11-16 14:48:52,519 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 682 transitions. Word has length 163 [2024-11-16 14:48:52,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:48:52,519 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 682 transitions. [2024-11-16 14:48:52,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-16 14:48:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 682 transitions. [2024-11-16 14:48:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-16 14:48:52,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:48:52,521 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:48:52,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 14:48:52,521 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:48:52,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:48:52,521 INFO L85 PathProgramCache]: Analyzing trace with hash 274794965, now seen corresponding path program 1 times [2024-11-16 14:48:52,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:48:52,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241056315] [2024-11-16 14:48:52,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:48:52,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:48:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat