./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.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 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:10:59,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:10:59,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:10:59,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:10:59,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:10:59,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:10:59,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:10:59,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:10:59,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:10:59,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:10:59,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:10:59,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:10:59,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:10:59,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:10:59,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:10:59,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:10:59,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:10:59,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:10:59,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:10:59,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:10:59,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:10:59,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:10:59,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:10:59,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:10:59,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:10:59,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:10:59,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:10:59,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:10:59,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:10:59,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:10:59,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:10:59,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:10:59,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:10:59,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:10:59,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:10:59,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:10:59,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:10:59,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:10:59,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:10:59,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:10:59,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:10:59,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:10:59,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 [2024-11-20 06:11:00,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:11:00,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:11:00,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:11:00,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:11:00,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:11:00,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-11-20 06:11:01,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:11:01,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:11:01,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-11-20 06:11:01,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f68bee25/496581f2c964486e9364ec78c14d6f0f/FLAGbbfeb8438 [2024-11-20 06:11:01,994 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f68bee25/496581f2c964486e9364ec78c14d6f0f [2024-11-20 06:11:01,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:11:01,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:11:02,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:11:02,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:11:02,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:11:02,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:01" (1/1) ... [2024-11-20 06:11:02,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54cba8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02, skipping insertion in model container [2024-11-20 06:11:02,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:01" (1/1) ... [2024-11-20 06:11:02,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:11:02,221 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_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2024-11-20 06:11:02,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:11:02,325 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:11:02,335 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_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2024-11-20 06:11:02,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:11:02,405 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:11:02,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02 WrapperNode [2024-11-20 06:11:02,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:11:02,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:11:02,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:11:02,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:11:02,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,497 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2024-11-20 06:11:02,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:11:02,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:11:02,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:11:02,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:11:02,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,539 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]. [2024-11-20 06:11:02,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:11:02,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:11:02,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:11:02,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:11:02,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (1/1) ... [2024-11-20 06:11:02,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:11:02,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:11:02,610 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) [2024-11-20 06:11:02,615 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 [2024-11-20 06:11:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:11:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:11:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:11:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:11:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:11:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:11:02,772 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:11:02,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:11:03,383 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-20 06:11:03,384 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:11:03,398 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:11:03,398 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:11:03,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:03 BoogieIcfgContainer [2024-11-20 06:11:03,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:11:03,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:11:03,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:11:03,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:11:03,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:11:01" (1/3) ... [2024-11-20 06:11:03,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fee365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:11:03, skipping insertion in model container [2024-11-20 06:11:03,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:02" (2/3) ... [2024-11-20 06:11:03,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fee365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:11:03, skipping insertion in model container [2024-11-20 06:11:03,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:03" (3/3) ... [2024-11-20 06:11:03,407 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-11-20 06:11:03,424 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:11:03,424 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:11:03,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:11:03,495 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;@45e69f87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:11:03,495 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:11:03,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 70 states have (on average 1.4285714285714286) internal successors, (100), 71 states have internal predecessors, (100), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 06:11:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 06:11:03,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:11:03,515 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:11:03,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:11:03,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:11:03,521 INFO L85 PathProgramCache]: Analyzing trace with hash 79029718, now seen corresponding path program 1 times [2024-11-20 06:11:03,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:11:03,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455119860] [2024-11-20 06:11:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:11:03,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:11:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:11:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:11:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:11:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:11:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:11:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:11:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:11:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:11:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:11:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:11:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:11:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:11:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:11:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:11:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 06:11:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:11:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 06:11:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:11:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 06:11:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:11:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:11:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:11:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:11:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:11:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:11:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:11:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:11:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:11:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:11:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:11:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-20 06:11:04,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:11:04,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455119860] [2024-11-20 06:11:04,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455119860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:11:04,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:11:04,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:11:04,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809304094] [2024-11-20 06:11:04,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:11:04,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:11:04,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:11:04,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:11:04,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:11:04,088 INFO L87 Difference]: Start difference. First operand has 103 states, 70 states have (on average 1.4285714285714286) internal successors, (100), 71 states have internal predecessors, (100), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-20 06:11:04,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:11:04,119 INFO L93 Difference]: Finished difference Result 203 states and 347 transitions. [2024-11-20 06:11:04,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:11:04,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 197 [2024-11-20 06:11:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:11:04,132 INFO L225 Difference]: With dead ends: 203 [2024-11-20 06:11:04,133 INFO L226 Difference]: Without dead ends: 99 [2024-11-20 06:11:04,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:11:04,140 INFO L432 NwaCegarLoop]: 157 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, 157 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 [2024-11-20 06:11:04,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:11:04,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-20 06:11:04,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-20 06:11:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 06:11:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 153 transitions. [2024-11-20 06:11:04,190 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 153 transitions. Word has length 197 [2024-11-20 06:11:04,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:11:04,191 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 153 transitions. [2024-11-20 06:11:04,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-20 06:11:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 153 transitions. [2024-11-20 06:11:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 06:11:04,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:11:04,195 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:11:04,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:11:04,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:11:04,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:11:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash 459054034, now seen corresponding path program 1 times [2024-11-20 06:11:04,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:11:04,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19778197] [2024-11-20 06:11:04,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:11:04,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:11:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:11:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:11:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:11:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:11:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:11:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:11:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:11:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:11:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:11:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:11:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:11:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:11:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:11:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:11:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 06:11:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:11:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 06:11:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:11:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 06:11:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:11:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:11:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:11:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:11:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:11:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:11:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:11:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:11:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:11:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:11:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:11:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-20 06:11:04,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:11:04,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19778197] [2024-11-20 06:11:04,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19778197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:11:04,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:11:04,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:11:04,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552876144] [2024-11-20 06:11:04,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:11:04,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:11:04,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:11:04,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:11:04,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:11:04,933 INFO L87 Difference]: Start difference. First operand 99 states and 153 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-20 06:11:05,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:11:05,022 INFO L93 Difference]: Finished difference Result 291 states and 453 transitions. [2024-11-20 06:11:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 06:11:05,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 197 [2024-11-20 06:11:05,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:11:05,029 INFO L225 Difference]: With dead ends: 291 [2024-11-20 06:11:05,029 INFO L226 Difference]: Without dead ends: 195 [2024-11-20 06:11:05,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:11:05,031 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 147 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:11:05,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 401 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:11:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-20 06:11:05,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 100. [2024-11-20 06:11:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 68 states have internal predecessors, (94), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 06:11:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2024-11-20 06:11:05,056 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 197 [2024-11-20 06:11:05,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:11:05,062 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2024-11-20 06:11:05,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-20 06:11:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2024-11-20 06:11:05,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 06:11:05,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:11:05,069 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:11:05,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 06:11:05,069 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:11:05,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:11:05,071 INFO L85 PathProgramCache]: Analyzing trace with hash -562014320, now seen corresponding path program 1 times [2024-11-20 06:11:05,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:11:05,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374473675] [2024-11-20 06:11:05,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:11:05,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:11:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:11:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:11:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:11:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:11:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:11:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:11:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:11:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:11:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:11:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:11:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:11:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:11:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:11:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:11:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 06:11:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:11:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 06:11:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:11:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 06:11:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:11:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:11:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:11:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:11:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:05,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:11:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:11:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:11:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:11:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:11:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:11:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:11:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-20 06:11:06,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:11:06,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374473675] [2024-11-20 06:11:06,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374473675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:11:06,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:11:06,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 06:11:06,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469057847] [2024-11-20 06:11:06,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:11:06,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 06:11:06,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:11:06,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 06:11:06,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:11:06,025 INFO L87 Difference]: Start difference. First operand 100 states and 154 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-20 06:11:06,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:11:06,260 INFO L93 Difference]: Finished difference Result 305 states and 463 transitions. [2024-11-20 06:11:06,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 06:11:06,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 197 [2024-11-20 06:11:06,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:11:06,263 INFO L225 Difference]: With dead ends: 305 [2024-11-20 06:11:06,263 INFO L226 Difference]: Without dead ends: 208 [2024-11-20 06:11:06,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:11:06,268 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 132 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:11:06,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 615 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:11:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-20 06:11:06,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 175. [2024-11-20 06:11:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 136 states have (on average 1.4485294117647058) internal successors, (197), 137 states have internal predecessors, (197), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 06:11:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 269 transitions. [2024-11-20 06:11:06,300 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 269 transitions. Word has length 197 [2024-11-20 06:11:06,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:11:06,301 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 269 transitions. [2024-11-20 06:11:06,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-20 06:11:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 269 transitions. [2024-11-20 06:11:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 06:11:06,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:11:06,304 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:11:06,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 06:11:06,305 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:11:06,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:11:06,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1297771836, now seen corresponding path program 1 times [2024-11-20 06:11:06,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:11:06,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677543773] [2024-11-20 06:11:06,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:11:06,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:11:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:11:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:11:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:11:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:11:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:11:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:11:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:11:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:11:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:11:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:11:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:11:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:11:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:11:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:11:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 06:11:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:11:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 06:11:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:11:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 06:11:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:11:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:11:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:11:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:11:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:11:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:11:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:11:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:11:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:11:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:11:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:11:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-20 06:11:06,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:11:06,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677543773] [2024-11-20 06:11:06,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677543773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:11:06,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:11:06,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 06:11:06,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134645220] [2024-11-20 06:11:06,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:11:06,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 06:11:06,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:11:06,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 06:11:06,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:11:06,842 INFO L87 Difference]: Start difference. First operand 175 states and 269 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-20 06:11:07,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:11:07,116 INFO L93 Difference]: Finished difference Result 569 states and 872 transitions. [2024-11-20 06:11:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 06:11:07,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 198 [2024-11-20 06:11:07,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:11:07,121 INFO L225 Difference]: With dead ends: 569 [2024-11-20 06:11:07,121 INFO L226 Difference]: Without dead ends: 397 [2024-11-20 06:11:07,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 06:11:07,123 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 159 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:11:07,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 592 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:11:07,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-20 06:11:07,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 325. [2024-11-20 06:11:07,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 248 states have (on average 1.439516129032258) internal successors, (357), 250 states have internal predecessors, (357), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 06:11:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 501 transitions. [2024-11-20 06:11:07,179 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 501 transitions. Word has length 198 [2024-11-20 06:11:07,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:11:07,180 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 501 transitions. [2024-11-20 06:11:07,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-20 06:11:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 501 transitions. [2024-11-20 06:11:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 06:11:07,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:11:07,183 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:11:07,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 06:11:07,184 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:11:07,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:11:07,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1157223226, now seen corresponding path program 1 times [2024-11-20 06:11:07,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:11:07,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24514083] [2024-11-20 06:11:07,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:11:07,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:11:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:11:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:11:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:11:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:11:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:11:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:11:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:11:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:11:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:11:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:11:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:11:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:11:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:11:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:11:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 06:11:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:11:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 06:11:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:11:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 06:11:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:11:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:11:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:11:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:11:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:11:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:11:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:11:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:11:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:11:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:11:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:11:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-20 06:11:07,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:11:07,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24514083] [2024-11-20 06:11:07,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24514083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:11:07,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:11:07,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 06:11:07,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227890634] [2024-11-20 06:11:07,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:11:07,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 06:11:07,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:11:07,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 06:11:07,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 06:11:07,770 INFO L87 Difference]: Start difference. First operand 325 states and 501 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-20 06:11:08,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:11:08,069 INFO L93 Difference]: Finished difference Result 819 states and 1265 transitions. [2024-11-20 06:11:08,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 06:11:08,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2024-11-20 06:11:08,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:11:08,076 INFO L225 Difference]: With dead ends: 819 [2024-11-20 06:11:08,076 INFO L226 Difference]: Without dead ends: 497 [2024-11-20 06:11:08,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 06:11:08,078 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 256 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:11:08,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 466 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:11:08,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-20 06:11:08,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 495. [2024-11-20 06:11:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 380 states have (on average 1.4342105263157894) internal successors, (545), 383 states have internal predecessors, (545), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-20 06:11:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 761 transitions. [2024-11-20 06:11:08,125 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 761 transitions. Word has length 198 [2024-11-20 06:11:08,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:11:08,126 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 761 transitions. [2024-11-20 06:11:08,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-20 06:11:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 761 transitions. [2024-11-20 06:11:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 06:11:08,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:11:08,129 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:11:08,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 06:11:08,129 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:11:08,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:11:08,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1974871676, now seen corresponding path program 1 times [2024-11-20 06:11:08,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:11:08,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580764969] [2024-11-20 06:11:08,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:11:08,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:11:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:11:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:11:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:11:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:11:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:11:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:11:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:11:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:11:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:11:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:11:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:11:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:11:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:11:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:11:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 06:11:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:11:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 06:11:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:11:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 06:11:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:11:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:11:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:11:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:11:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:11:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:11:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:11:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:11:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:11:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:11:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:11:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-20 06:11:08,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:11:08,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580764969] [2024-11-20 06:11:08,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580764969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:11:08,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:11:08,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:11:08,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004546091] [2024-11-20 06:11:08,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:11:08,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:11:08,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:11:08,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:11:08,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:11:08,983 INFO L87 Difference]: Start difference. First operand 495 states and 761 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-20 06:11:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:11:10,179 INFO L93 Difference]: Finished difference Result 1647 states and 2525 transitions. [2024-11-20 06:11:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 06:11:10,180 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2024-11-20 06:11:10,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:11:10,189 INFO L225 Difference]: With dead ends: 1647 [2024-11-20 06:11:10,190 INFO L226 Difference]: Without dead ends: 1155 [2024-11-20 06:11:10,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-20 06:11:10,194 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 468 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 06:11:10,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1041 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 06:11:10,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-20 06:11:10,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1135. [2024-11-20 06:11:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 868 states have (on average 1.4251152073732718) internal successors, (1237), 875 states have internal predecessors, (1237), 252 states have call successors, (252), 14 states have call predecessors, (252), 14 states have return successors, (252), 245 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-20 06:11:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1741 transitions. [2024-11-20 06:11:10,336 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1741 transitions. Word has length 198 [2024-11-20 06:11:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:11:10,337 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1741 transitions. [2024-11-20 06:11:10,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-20 06:11:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1741 transitions. [2024-11-20 06:11:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 06:11:10,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:11:10,340 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:11:10,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 06:11:10,340 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:11:10,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:11:10,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1510748994, now seen corresponding path program 1 times [2024-11-20 06:11:10,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:11:10,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126547396] [2024-11-20 06:11:10,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:11:10,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:11:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:11:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:11:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:11:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:11:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:11:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:11:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:11:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:11:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:11:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:11:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:11:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:11:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:11:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:11:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 06:11:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:11:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 06:11:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:11:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 06:11:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:11:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:11:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:11:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:11:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:11:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:11:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:11:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:11:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 06:11:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:11:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 06:11:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:11:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-20 06:11:23,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:11:23,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126547396] [2024-11-20 06:11:23,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126547396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:11:23,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:11:23,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 06:11:23,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114250135] [2024-11-20 06:11:23,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:11:23,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 06:11:23,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:11:23,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 06:11:23,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-20 06:11:23,931 INFO L87 Difference]: Start difference. First operand 1135 states and 1741 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 5 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-20 06:11:26,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:11:26,727 INFO L93 Difference]: Finished difference Result 3048 states and 4574 transitions. [2024-11-20 06:11:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 06:11:26,728 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 5 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 198 [2024-11-20 06:11:26,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:11:26,738 INFO L225 Difference]: With dead ends: 3048 [2024-11-20 06:11:26,739 INFO L226 Difference]: Without dead ends: 1916 [2024-11-20 06:11:26,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2024-11-20 06:11:26,744 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 686 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-20 06:11:26,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1062 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-20 06:11:26,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2024-11-20 06:11:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1363. [2024-11-20 06:11:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1078 states have (on average 1.422077922077922) internal successors, (1533), 1086 states have internal predecessors, (1533), 254 states have call successors, (254), 30 states have call predecessors, (254), 30 states have return successors, (254), 246 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-20 06:11:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 2041 transitions. [2024-11-20 06:11:26,854 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 2041 transitions. Word has length 198 [2024-11-20 06:11:26,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:11:26,854 INFO L471 AbstractCegarLoop]: Abstraction has 1363 states and 2041 transitions. [2024-11-20 06:11:26,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 5 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-20 06:11:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 2041 transitions. [2024-11-20 06:11:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 06:11:26,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:11:26,858 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:11:26,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 06:11:26,858 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:11:26,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:11:26,859 INFO L85 PathProgramCache]: Analyzing trace with hash 923942980, now seen corresponding path program 1 times [2024-11-20 06:11:26,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:11:26,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399837786] [2024-11-20 06:11:26,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:11:26,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:11:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat