./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.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 c8e6a4b29406119efb89376103b682bde5f3a12f7939ad220de065669d2eef17 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:11:20,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:11:20,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:11:20,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:11:20,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:11:20,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:11:20,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:11:20,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:11:20,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:11:20,317 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:11:20,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:11:20,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:11:20,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:11:20,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:11:20,319 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:11:20,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:11:20,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:11:20,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:11:20,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:11:20,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:11:20,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:11:20,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:11:20,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:11:20,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:11:20,325 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:11:20,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:11:20,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:11:20,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:11:20,326 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:11:20,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:11:20,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:11:20,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:11:20,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:11:20,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:11:20,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:11:20,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:11:20,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:11:20,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:11:20,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:11:20,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:11:20,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:11:20,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:11:20,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e6a4b29406119efb89376103b682bde5f3a12f7939ad220de065669d2eef17 [2024-11-10 06:11:20,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:11:20,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:11:20,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:11:20,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:11:20,597 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:11:20,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-11-10 06:11:22,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:11:22,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:11:22,470 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-11-10 06:11:22,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd53013b4/1ede8e6db0e54684950eae05c1db42ce/FLAG1920b7687 [2024-11-10 06:11:22,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd53013b4/1ede8e6db0e54684950eae05c1db42ce [2024-11-10 06:11:22,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:11:22,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:11:22,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:11:22,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:11:22,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:11:22,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:22,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c4f297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22, skipping insertion in model container [2024-11-10 06:11:22,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:22,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:11:22,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i[919,932] [2024-11-10 06:11:22,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:11:22,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:11:22,912 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i[919,932] [2024-11-10 06:11:22,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:11:22,958 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:11:22,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22 WrapperNode [2024-11-10 06:11:22,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:11:22,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:11:22,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:11:22,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:11:22,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:22,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,009 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-11-10 06:11:23,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:11:23,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:11:23,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:11:23,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:11:23,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,051 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 06:11:23,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,060 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:11:23,079 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:11:23,079 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:11:23,079 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:11:23,080 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (1/1) ... [2024-11-10 06:11:23,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:11:23,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:11:23,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 06:11:23,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 06:11:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:11:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:11:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:11:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:11:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:11:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:11:23,252 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:11:23,254 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:11:23,657 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 06:11:23,657 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:11:23,676 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:11:23,676 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:11:23,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:11:23 BoogieIcfgContainer [2024-11-10 06:11:23,677 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:11:23,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:11:23,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:11:23,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:11:23,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:11:22" (1/3) ... [2024-11-10 06:11:23,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d771ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:11:23, skipping insertion in model container [2024-11-10 06:11:23,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:11:22" (2/3) ... [2024-11-10 06:11:23,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d771ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:11:23, skipping insertion in model container [2024-11-10 06:11:23,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:11:23" (3/3) ... [2024-11-10 06:11:23,687 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-11-10 06:11:23,701 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:11:23,702 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:11:23,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:11:23,760 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;@46609181, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:11:23,761 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:11:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 73 states have internal predecessors, (101), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 06:11:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-10 06:11:23,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:11:23,786 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:11:23,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:11:23,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:11:23,793 INFO L85 PathProgramCache]: Analyzing trace with hash 803017879, now seen corresponding path program 1 times [2024-11-10 06:11:23,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:11:23,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68834887] [2024-11-10 06:11:23,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:11:23,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:11:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:11:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:11:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:11:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:11:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:11:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:11:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:11:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:11:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:11:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:11:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:11:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:11:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:11:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:11:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:11:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:11:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:11:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:11:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:11:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:11:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:11:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:11:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:11:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:11:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:11:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:11:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:11:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:11:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:11:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:11:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:11:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:11:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:11:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:11:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:11:24,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:11:24,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68834887] [2024-11-10 06:11:24,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68834887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:11:24,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:11:24,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:11:24,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849800120] [2024-11-10 06:11:24,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:11:24,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:11:24,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:11:24,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:11:24,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:11:24,315 INFO L87 Difference]: Start difference. First operand has 109 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 73 states have internal predecessors, (101), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 06:11:24,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:11:24,353 INFO L93 Difference]: Finished difference Result 210 states and 365 transitions. [2024-11-10 06:11:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:11:24,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-10 06:11:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:11:24,364 INFO L225 Difference]: With dead ends: 210 [2024-11-10 06:11:24,364 INFO L226 Difference]: Without dead ends: 104 [2024-11-10 06:11:24,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:11:24,373 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:11:24,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:11:24,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-10 06:11:24,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-10 06:11:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 68 states have internal predecessors, (93), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 06:11:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 161 transitions. [2024-11-10 06:11:24,456 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 161 transitions. Word has length 221 [2024-11-10 06:11:24,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:11:24,457 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 161 transitions. [2024-11-10 06:11:24,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 06:11:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 161 transitions. [2024-11-10 06:11:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-10 06:11:24,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:11:24,463 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:11:24,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:11:24,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:11:24,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:11:24,464 INFO L85 PathProgramCache]: Analyzing trace with hash -393715755, now seen corresponding path program 1 times [2024-11-10 06:11:24,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:11:24,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390803144] [2024-11-10 06:11:24,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:11:24,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:11:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:11:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:11:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:11:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:11:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:11:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:11:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:11:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:11:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:11:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:11:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:11:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:11:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:11:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:11:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:11:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:11:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:11:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:11:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:11:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:11:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:11:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:11:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:11:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:11:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:11:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:11:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:11:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:11:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:11:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:11:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:11:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:11:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:11:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:11:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:11:25,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:11:25,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390803144] [2024-11-10 06:11:25,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390803144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:11:25,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:11:25,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:11:25,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064270041] [2024-11-10 06:11:25,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:11:25,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:11:25,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:11:25,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:11:25,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:11:25,234 INFO L87 Difference]: Start difference. First operand 104 states and 161 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:11:25,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:11:25,479 INFO L93 Difference]: Finished difference Result 278 states and 431 transitions. [2024-11-10 06:11:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:11:25,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-10 06:11:25,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:11:25,483 INFO L225 Difference]: With dead ends: 278 [2024-11-10 06:11:25,483 INFO L226 Difference]: Without dead ends: 177 [2024-11-10 06:11:25,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:11:25,485 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 109 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:11:25,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 644 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:11:25,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-10 06:11:25,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 173. [2024-11-10 06:11:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 120 states have (on average 1.4083333333333334) internal successors, (169), 121 states have internal predecessors, (169), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 06:11:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 269 transitions. [2024-11-10 06:11:25,519 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 269 transitions. Word has length 221 [2024-11-10 06:11:25,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:11:25,520 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 269 transitions. [2024-11-10 06:11:25,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:11:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 269 transitions. [2024-11-10 06:11:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-10 06:11:25,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:11:25,529 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:11:25,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:11:25,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:11:25,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:11:25,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1824042198, now seen corresponding path program 1 times [2024-11-10 06:11:25,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:11:25,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437281689] [2024-11-10 06:11:25,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:11:25,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:11:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:11:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:11:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:11:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:11:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:11:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:11:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:11:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:11:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:11:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:11:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:11:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:11:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:11:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:11:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:11:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:11:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:11:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:11:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:11:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:11:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:11:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:11:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:11:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:11:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:11:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:11:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:11:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:11:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:11:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:11:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:11:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:11:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:11:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:11:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:11:25,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:11:25,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437281689] [2024-11-10 06:11:25,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437281689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:11:25,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:11:25,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:11:25,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109447693] [2024-11-10 06:11:25,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:11:25,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:11:25,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:11:25,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:11:25,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:11:25,918 INFO L87 Difference]: Start difference. First operand 173 states and 269 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:11:25,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:11:25,999 INFO L93 Difference]: Finished difference Result 479 states and 746 transitions. [2024-11-10 06:11:25,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:11:25,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-10 06:11:26,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:11:26,006 INFO L225 Difference]: With dead ends: 479 [2024-11-10 06:11:26,007 INFO L226 Difference]: Without dead ends: 309 [2024-11-10 06:11:26,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:11:26,010 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 101 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:11:26,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 354 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:11:26,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-10 06:11:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 305. [2024-11-10 06:11:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 216 states have (on average 1.4212962962962963) internal successors, (307), 219 states have internal predecessors, (307), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 06:11:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 475 transitions. [2024-11-10 06:11:26,053 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 475 transitions. Word has length 221 [2024-11-10 06:11:26,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:11:26,054 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 475 transitions. [2024-11-10 06:11:26,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:11:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 475 transitions. [2024-11-10 06:11:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-10 06:11:26,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:11:26,057 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:11:26,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:11:26,057 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:11:26,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:11:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1303258898, now seen corresponding path program 1 times [2024-11-10 06:11:26,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:11:26,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216748727] [2024-11-10 06:11:26,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:11:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:11:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:11:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:11:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:11:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:11:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:11:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:11:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:11:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:11:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:35,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:11:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:11:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:11:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:11:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:11:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:11:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:11:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:11:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:11:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:11:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:11:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:11:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:11:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:11:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:11:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:11:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:11:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:11:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:11:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:11:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:11:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:11:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:11:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:11:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:11:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:11:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:11:36,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:11:36,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216748727] [2024-11-10 06:11:36,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216748727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:11:36,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:11:36,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 06:11:36,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305599235] [2024-11-10 06:11:36,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:11:36,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 06:11:36,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:11:36,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 06:11:36,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-10 06:11:36,101 INFO L87 Difference]: Start difference. First operand 305 states and 475 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:11:38,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:11:38,643 INFO L93 Difference]: Finished difference Result 909 states and 1373 transitions. [2024-11-10 06:11:38,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 06:11:38,645 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-10 06:11:38,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:11:38,662 INFO L225 Difference]: With dead ends: 909 [2024-11-10 06:11:38,662 INFO L226 Difference]: Without dead ends: 906 [2024-11-10 06:11:38,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=288, Invalid=642, Unknown=0, NotChecked=0, Total=930 [2024-11-10 06:11:38,666 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 370 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:11:38,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1012 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 06:11:38,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2024-11-10 06:11:38,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 692. [2024-11-10 06:11:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 515 states have (on average 1.4466019417475728) internal successors, (745), 521 states have internal predecessors, (745), 168 states have call successors, (168), 8 states have call predecessors, (168), 8 states have return successors, (168), 162 states have call predecessors, (168), 168 states have call successors, (168) [2024-11-10 06:11:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1081 transitions. [2024-11-10 06:11:38,815 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1081 transitions. Word has length 222 [2024-11-10 06:11:38,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:11:38,816 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 1081 transitions. [2024-11-10 06:11:38,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:11:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1081 transitions. [2024-11-10 06:11:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-10 06:11:38,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:11:38,824 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:11:38,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:11:38,824 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:11:38,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:11:38,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1596661905, now seen corresponding path program 1 times [2024-11-10 06:11:38,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:11:38,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618674124] [2024-11-10 06:11:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:11:38,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:11:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:11:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:11:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:11:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:11:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:11:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:11:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:11:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:11:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:11:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:11:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:11:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:11:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:11:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:11:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:11:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:11:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:11:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:11:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:11:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:11:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:11:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:11:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:11:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:11:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:11:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:11:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:11:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:11:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:11:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:11:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:11:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:11:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:11:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:11:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:11:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:11:39,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:11:39,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618674124] [2024-11-10 06:11:39,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618674124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:11:39,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:11:39,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:11:39,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397256285] [2024-11-10 06:11:39,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:11:39,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:11:39,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:11:39,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:11:39,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:11:39,236 INFO L87 Difference]: Start difference. First operand 692 states and 1081 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:11:39,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:11:39,408 INFO L93 Difference]: Finished difference Result 1606 states and 2510 transitions. [2024-11-10 06:11:39,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:11:39,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-10 06:11:39,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:11:39,415 INFO L225 Difference]: With dead ends: 1606 [2024-11-10 06:11:39,416 INFO L226 Difference]: Without dead ends: 917 [2024-11-10 06:11:39,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:11:39,421 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 174 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:11:39,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 639 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:11:39,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-10 06:11:39,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 754. [2024-11-10 06:11:39,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 541 states have (on average 1.4103512014787432) internal successors, (763), 548 states have internal predecessors, (763), 202 states have call successors, (202), 10 states have call predecessors, (202), 10 states have return successors, (202), 195 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-10 06:11:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1167 transitions. [2024-11-10 06:11:39,476 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1167 transitions. Word has length 222 [2024-11-10 06:11:39,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:11:39,477 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1167 transitions. [2024-11-10 06:11:39,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:11:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1167 transitions. [2024-11-10 06:11:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-10 06:11:39,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:11:39,479 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:11:39,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:11:39,480 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:11:39,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:11:39,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1899343759, now seen corresponding path program 1 times [2024-11-10 06:11:39,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:11:39,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619195870] [2024-11-10 06:11:39,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:11:39,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:11:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat