./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_loopvsstraightlinecode_100-1loop_file-20.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 d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:17:15,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:17:15,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:17:15,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:17:15,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:17:15,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:17:15,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:17:15,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:17:15,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:17:15,423 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:17:15,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:17:15,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:17:15,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:17:15,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:17:15,426 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:17:15,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:17:15,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:17:15,427 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:17:15,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:17:15,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:17:15,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:17:15,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:17:15,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:17:15,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:17:15,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:17:15,432 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:17:15,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:17:15,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:17:15,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:17:15,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:17:15,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:17:15,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:17:15,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:17:15,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:17:15,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:17:15,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:17:15,434 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:17:15,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:17:15,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:17:15,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:17:15,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:17:15,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:17:15,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 [2024-11-08 23:17:15,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:17:15,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:17:15,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:17:15,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:17:15,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:17:15,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-08 23:17:17,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:17:17,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:17:17,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-08 23:17:17,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207030fcb/7c9f8a10a1db4a0996025b12cdd1cc36/FLAG535259c89 [2024-11-08 23:17:17,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207030fcb/7c9f8a10a1db4a0996025b12cdd1cc36 [2024-11-08 23:17:17,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:17:17,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:17:17,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:17,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:17:17,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:17:17,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5774e640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17, skipping insertion in model container [2024-11-08 23:17:17,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:17:17,607 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-08 23:17:17,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:17,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:17:17,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-08 23:17:17,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:17,772 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:17:17,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17 WrapperNode [2024-11-08 23:17:17,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:17,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:17,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:17:17,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:17:17,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,855 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-08 23:17:17,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:17,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:17:17,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:17:17,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:17:17,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,872 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,899 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]. [2024-11-08 23:17:17,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:17:17,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:17:17,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:17:17,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:17:17,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (1/1) ... [2024-11-08 23:17:17,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:17:17,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:17:17,964 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) [2024-11-08 23:17:17,978 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 [2024-11-08 23:17:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:17:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:17:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:17:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:17:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:17:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:17:18,123 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:17:18,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:17:18,618 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-08 23:17:18,619 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:17:18,639 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:17:18,640 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:17:18,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:18 BoogieIcfgContainer [2024-11-08 23:17:18,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:17:18,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:17:18,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:17:18,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:17:18,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:17:17" (1/3) ... [2024-11-08 23:17:18,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf2196f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:17:18, skipping insertion in model container [2024-11-08 23:17:18,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:17" (2/3) ... [2024-11-08 23:17:18,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf2196f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:17:18, skipping insertion in model container [2024-11-08 23:17:18,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:18" (3/3) ... [2024-11-08 23:17:18,649 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-08 23:17:18,664 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:17:18,665 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:17:18,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:17:18,732 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;@4b35eea2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:17:18,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:17:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 84 states have internal predecessors, (119), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 23:17:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 23:17:18,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:18,757 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:18,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:18,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:18,763 INFO L85 PathProgramCache]: Analyzing trace with hash 963517484, now seen corresponding path program 1 times [2024-11-08 23:17:18,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:18,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895527998] [2024-11-08 23:17:18,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:18,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:19,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:19,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895527998] [2024-11-08 23:17:19,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895527998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:19,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:19,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:17:19,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479226656] [2024-11-08 23:17:19,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:19,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:17:19,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:19,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:17:19,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:17:19,870 INFO L87 Difference]: Start difference. First operand has 117 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 84 states have internal predecessors, (119), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:20,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:20,224 INFO L93 Difference]: Finished difference Result 384 states and 658 transitions. [2024-11-08 23:17:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:17:20,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-08 23:17:20,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:20,236 INFO L225 Difference]: With dead ends: 384 [2024-11-08 23:17:20,237 INFO L226 Difference]: Without dead ends: 258 [2024-11-08 23:17:20,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 23:17:20,243 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 183 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:20,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 759 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 23:17:20,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-08 23:17:20,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 246. [2024-11-08 23:17:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 181 states have (on average 1.3977900552486189) internal successors, (253), 181 states have internal predecessors, (253), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 23:17:20,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 377 transitions. [2024-11-08 23:17:20,305 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 377 transitions. Word has length 204 [2024-11-08 23:17:20,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:20,307 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 377 transitions. [2024-11-08 23:17:20,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2024-11-08 23:17:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-08 23:17:20,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:20,311 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:20,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 23:17:20,312 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:20,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:20,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1570159055, now seen corresponding path program 1 times [2024-11-08 23:17:20,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:20,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573365735] [2024-11-08 23:17:20,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:20,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:20,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:20,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573365735] [2024-11-08 23:17:20,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573365735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:20,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:20,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:17:20,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725647942] [2024-11-08 23:17:20,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:20,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:17:20,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:20,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:17:20,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:17:20,674 INFO L87 Difference]: Start difference. First operand 246 states and 377 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:20,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:20,878 INFO L93 Difference]: Finished difference Result 715 states and 1096 transitions. [2024-11-08 23:17:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:17:20,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-08 23:17:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:20,882 INFO L225 Difference]: With dead ends: 715 [2024-11-08 23:17:20,883 INFO L226 Difference]: Without dead ends: 472 [2024-11-08 23:17:20,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:17:20,885 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 144 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:20,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 584 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:17:20,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-08 23:17:20,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 321. [2024-11-08 23:17:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 256 states have (on average 1.4453125) internal successors, (370), 256 states have internal predecessors, (370), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 23:17:20,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 494 transitions. [2024-11-08 23:17:20,914 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 494 transitions. Word has length 205 [2024-11-08 23:17:20,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:20,916 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 494 transitions. [2024-11-08 23:17:20,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 494 transitions. [2024-11-08 23:17:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-08 23:17:20,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:20,920 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:20,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 23:17:20,920 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:20,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:20,920 INFO L85 PathProgramCache]: Analyzing trace with hash -528286763, now seen corresponding path program 1 times [2024-11-08 23:17:20,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:20,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375056268] [2024-11-08 23:17:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:20,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:23,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:23,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375056268] [2024-11-08 23:17:23,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375056268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:23,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:23,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 23:17:23,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037957067] [2024-11-08 23:17:23,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:23,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 23:17:23,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:23,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 23:17:23,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 23:17:23,834 INFO L87 Difference]: Start difference. First operand 321 states and 494 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:25,586 INFO L93 Difference]: Finished difference Result 1162 states and 1713 transitions. [2024-11-08 23:17:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 23:17:25,587 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-08 23:17:25,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:25,591 INFO L225 Difference]: With dead ends: 1162 [2024-11-08 23:17:25,591 INFO L226 Difference]: Without dead ends: 844 [2024-11-08 23:17:25,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-08 23:17:25,592 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 673 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:25,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 1040 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 23:17:25,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2024-11-08 23:17:25,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 389. [2024-11-08 23:17:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 324 states have (on average 1.462962962962963) internal successors, (474), 324 states have internal predecessors, (474), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 23:17:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 598 transitions. [2024-11-08 23:17:25,623 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 598 transitions. Word has length 206 [2024-11-08 23:17:25,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:25,625 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 598 transitions. [2024-11-08 23:17:25,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 598 transitions. [2024-11-08 23:17:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-08 23:17:25,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:25,630 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:25,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 23:17:25,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:25,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:25,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1808150441, now seen corresponding path program 1 times [2024-11-08 23:17:25,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:25,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322598043] [2024-11-08 23:17:25,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:26,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:26,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322598043] [2024-11-08 23:17:26,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322598043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:26,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:26,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 23:17:26,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351787688] [2024-11-08 23:17:26,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:26,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 23:17:26,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:26,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 23:17:26,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-08 23:17:26,733 INFO L87 Difference]: Start difference. First operand 389 states and 598 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:27,299 INFO L93 Difference]: Finished difference Result 1100 states and 1681 transitions. [2024-11-08 23:17:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 23:17:27,300 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-08 23:17:27,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:27,304 INFO L225 Difference]: With dead ends: 1100 [2024-11-08 23:17:27,306 INFO L226 Difference]: Without dead ends: 714 [2024-11-08 23:17:27,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:17:27,308 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 266 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:27,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 495 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 23:17:27,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-08 23:17:27,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 475. [2024-11-08 23:17:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 410 states have (on average 1.4926829268292683) internal successors, (612), 410 states have internal predecessors, (612), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 23:17:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 736 transitions. [2024-11-08 23:17:27,335 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 736 transitions. Word has length 206 [2024-11-08 23:17:27,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:27,337 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 736 transitions. [2024-11-08 23:17:27,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 736 transitions. [2024-11-08 23:17:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-08 23:17:27,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:27,340 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:27,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 23:17:27,340 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:27,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:27,340 INFO L85 PathProgramCache]: Analyzing trace with hash 797873113, now seen corresponding path program 1 times [2024-11-08 23:17:27,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:27,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66609806] [2024-11-08 23:17:27,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:27,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:28,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:28,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66609806] [2024-11-08 23:17:28,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66609806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:28,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:28,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 23:17:28,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203440698] [2024-11-08 23:17:28,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:28,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 23:17:28,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:28,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 23:17:28,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 23:17:28,369 INFO L87 Difference]: Start difference. First operand 475 states and 736 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:29,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:29,527 INFO L93 Difference]: Finished difference Result 1237 states and 1874 transitions. [2024-11-08 23:17:29,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 23:17:29,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-08 23:17:29,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:29,531 INFO L225 Difference]: With dead ends: 1237 [2024-11-08 23:17:29,531 INFO L226 Difference]: Without dead ends: 765 [2024-11-08 23:17:29,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-08 23:17:29,533 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 258 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:29,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 927 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 23:17:29,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-08 23:17:29,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 420. [2024-11-08 23:17:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 355 states have (on average 1.4732394366197183) internal successors, (523), 355 states have internal predecessors, (523), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 23:17:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 647 transitions. [2024-11-08 23:17:29,549 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 647 transitions. Word has length 206 [2024-11-08 23:17:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:29,549 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 647 transitions. [2024-11-08 23:17:29,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 647 transitions. [2024-11-08 23:17:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-08 23:17:29,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:29,551 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:29,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 23:17:29,551 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:29,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:29,552 INFO L85 PathProgramCache]: Analyzing trace with hash -147945687, now seen corresponding path program 1 times [2024-11-08 23:17:29,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:29,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940737293] [2024-11-08 23:17:29,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:29,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:29,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:29,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940737293] [2024-11-08 23:17:29,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940737293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:29,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:29,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 23:17:29,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177683652] [2024-11-08 23:17:29,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:29,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 23:17:29,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:29,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 23:17:29,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:17:29,682 INFO L87 Difference]: Start difference. First operand 420 states and 647 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:29,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:29,744 INFO L93 Difference]: Finished difference Result 1105 states and 1703 transitions. [2024-11-08 23:17:29,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 23:17:29,745 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-08 23:17:29,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:29,747 INFO L225 Difference]: With dead ends: 1105 [2024-11-08 23:17:29,747 INFO L226 Difference]: Without dead ends: 688 [2024-11-08 23:17:29,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:17:29,749 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 148 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:29,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 459 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:17:29,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-08 23:17:29,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 539. [2024-11-08 23:17:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 474 states have (on average 1.4915611814345993) internal successors, (707), 474 states have internal predecessors, (707), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 23:17:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 831 transitions. [2024-11-08 23:17:29,776 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 831 transitions. Word has length 206 [2024-11-08 23:17:29,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:29,776 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 831 transitions. [2024-11-08 23:17:29,776 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 831 transitions. [2024-11-08 23:17:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-08 23:17:29,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:29,778 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:29,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 23:17:29,778 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:29,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:29,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1976753518, now seen corresponding path program 1 times [2024-11-08 23:17:29,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:29,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456314441] [2024-11-08 23:17:29,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:29,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:29,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:30,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:30,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456314441] [2024-11-08 23:17:30,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456314441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:30,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:30,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:17:30,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721415221] [2024-11-08 23:17:30,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:30,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:17:30,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:30,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:17:30,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:17:30,020 INFO L87 Difference]: Start difference. First operand 539 states and 831 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:30,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:30,399 INFO L93 Difference]: Finished difference Result 1444 states and 2219 transitions. [2024-11-08 23:17:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:17:30,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-08 23:17:30,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:30,403 INFO L225 Difference]: With dead ends: 1444 [2024-11-08 23:17:30,403 INFO L226 Difference]: Without dead ends: 908 [2024-11-08 23:17:30,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 23:17:30,405 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 172 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:30,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 560 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 23:17:30,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-11-08 23:17:30,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 750. [2024-11-08 23:17:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 679 states have (on average 1.508100147275405) internal successors, (1024), 680 states have internal predecessors, (1024), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 23:17:30,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1156 transitions. [2024-11-08 23:17:30,426 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1156 transitions. Word has length 207 [2024-11-08 23:17:30,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:30,426 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1156 transitions. [2024-11-08 23:17:30,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1156 transitions. [2024-11-08 23:17:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-08 23:17:30,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:30,428 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:30,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 23:17:30,428 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:30,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:30,429 INFO L85 PathProgramCache]: Analyzing trace with hash -418640496, now seen corresponding path program 1 times [2024-11-08 23:17:30,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:30,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789932331] [2024-11-08 23:17:30,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:30,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:30,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-08 23:17:31,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:31,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789932331] [2024-11-08 23:17:31,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789932331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:17:31,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577701031] [2024-11-08 23:17:31,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:31,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:17:31,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:17:31,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:17:31,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 23:17:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 23:17:31,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-08 23:17:31,942 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:17:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-08 23:17:32,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577701031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:17:32,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:17:32,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 7] total 20 [2024-11-08 23:17:32,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355359678] [2024-11-08 23:17:32,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:17:32,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 23:17:32,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:32,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 23:17:32,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-11-08 23:17:32,302 INFO L87 Difference]: Start difference. First operand 750 states and 1156 transitions. Second operand has 20 states, 20 states have (on average 7.0) internal successors, (140), 19 states have internal predecessors, (140), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) [2024-11-08 23:17:34,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:34,838 INFO L93 Difference]: Finished difference Result 2147 states and 3167 transitions. [2024-11-08 23:17:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-08 23:17:34,839 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.0) internal successors, (140), 19 states have internal predecessors, (140), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) Word has length 208 [2024-11-08 23:17:34,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:34,850 INFO L225 Difference]: With dead ends: 2147 [2024-11-08 23:17:34,852 INFO L226 Difference]: Without dead ends: 1184 [2024-11-08 23:17:34,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1529 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1214, Invalid=4042, Unknown=0, NotChecked=0, Total=5256 [2024-11-08 23:17:34,857 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 2269 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:34,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 1241 Invalid, 1870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 23:17:34,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-08 23:17:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 858. [2024-11-08 23:17:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 751 states have (on average 1.4354194407456724) internal successors, (1078), 755 states have internal predecessors, (1078), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 23:17:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1258 transitions. [2024-11-08 23:17:34,911 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1258 transitions. Word has length 208 [2024-11-08 23:17:34,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:34,911 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1258 transitions. [2024-11-08 23:17:34,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.0) internal successors, (140), 19 states have internal predecessors, (140), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) [2024-11-08 23:17:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1258 transitions. [2024-11-08 23:17:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-08 23:17:34,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:34,915 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:34,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 23:17:35,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:17:35,120 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:35,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:35,121 INFO L85 PathProgramCache]: Analyzing trace with hash -476914868, now seen corresponding path program 1 times [2024-11-08 23:17:35,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:35,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869974793] [2024-11-08 23:17:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:37,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:37,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869974793] [2024-11-08 23:17:37,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869974793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:37,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:37,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 23:17:37,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294041138] [2024-11-08 23:17:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:37,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 23:17:37,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:37,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 23:17:37,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 23:17:37,102 INFO L87 Difference]: Start difference. First operand 858 states and 1258 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:38,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:38,774 INFO L93 Difference]: Finished difference Result 2055 states and 2989 transitions. [2024-11-08 23:17:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 23:17:38,775 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-08 23:17:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:38,784 INFO L225 Difference]: With dead ends: 2055 [2024-11-08 23:17:38,785 INFO L226 Difference]: Without dead ends: 1532 [2024-11-08 23:17:38,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-08 23:17:38,787 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 567 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:38,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1199 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 23:17:38,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-11-08 23:17:38,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 874. [2024-11-08 23:17:38,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 767 states have (on average 1.4354628422425033) internal successors, (1101), 771 states have internal predecessors, (1101), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 23:17:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1281 transitions. [2024-11-08 23:17:38,856 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1281 transitions. Word has length 208 [2024-11-08 23:17:38,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:38,857 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1281 transitions. [2024-11-08 23:17:38,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1281 transitions. [2024-11-08 23:17:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-08 23:17:38,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:38,859 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:38,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 23:17:38,859 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:38,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:38,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1488032118, now seen corresponding path program 1 times [2024-11-08 23:17:38,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:38,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947495419] [2024-11-08 23:17:38,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:38,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:40,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:40,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947495419] [2024-11-08 23:17:40,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947495419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:40,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:40,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 23:17:40,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124559327] [2024-11-08 23:17:40,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:40,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 23:17:40,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 23:17:40,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:17:40,219 INFO L87 Difference]: Start difference. First operand 874 states and 1281 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:41,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:41,365 INFO L93 Difference]: Finished difference Result 2068 states and 3012 transitions. [2024-11-08 23:17:41,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 23:17:41,366 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-08 23:17:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:41,370 INFO L225 Difference]: With dead ends: 2068 [2024-11-08 23:17:41,370 INFO L226 Difference]: Without dead ends: 1197 [2024-11-08 23:17:41,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-08 23:17:41,375 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 335 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:41,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 661 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 23:17:41,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-08 23:17:41,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 924. [2024-11-08 23:17:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 817 states have (on average 1.438188494492044) internal successors, (1175), 821 states have internal predecessors, (1175), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 23:17:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1355 transitions. [2024-11-08 23:17:41,420 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1355 transitions. Word has length 208 [2024-11-08 23:17:41,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:41,420 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1355 transitions. [2024-11-08 23:17:41,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:41,421 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1355 transitions. [2024-11-08 23:17:41,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 23:17:41,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:41,422 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:41,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 23:17:41,422 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:41,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:41,423 INFO L85 PathProgramCache]: Analyzing trace with hash 101331390, now seen corresponding path program 1 times [2024-11-08 23:17:41,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:41,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242047848] [2024-11-08 23:17:41,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:41,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:46,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:46,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242047848] [2024-11-08 23:17:46,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242047848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:46,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:46,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 23:17:46,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467362772] [2024-11-08 23:17:46,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:46,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 23:17:46,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:46,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 23:17:46,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-08 23:17:46,461 INFO L87 Difference]: Start difference. First operand 924 states and 1355 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:53,711 INFO L93 Difference]: Finished difference Result 2353 states and 3409 transitions. [2024-11-08 23:17:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 23:17:53,712 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-08 23:17:53,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:53,717 INFO L225 Difference]: With dead ends: 2353 [2024-11-08 23:17:53,717 INFO L226 Difference]: Without dead ends: 1414 [2024-11-08 23:17:53,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=218, Invalid=594, Unknown=0, NotChecked=0, Total=812 [2024-11-08 23:17:53,719 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 680 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:53,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 1348 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-08 23:17:53,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2024-11-08 23:17:53,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1013. [2024-11-08 23:17:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 906 states have (on average 1.4426048565121412) internal successors, (1307), 910 states have internal predecessors, (1307), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 23:17:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1487 transitions. [2024-11-08 23:17:53,772 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1487 transitions. Word has length 209 [2024-11-08 23:17:53,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:17:53,772 INFO L471 AbstractCegarLoop]: Abstraction has 1013 states and 1487 transitions. [2024-11-08 23:17:53,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:53,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1487 transitions. [2024-11-08 23:17:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 23:17:53,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:17:53,774 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:17:53,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 23:17:53,774 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:17:53,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:53,774 INFO L85 PathProgramCache]: Analyzing trace with hash 802395968, now seen corresponding path program 1 times [2024-11-08 23:17:53,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:17:53,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978769930] [2024-11-08 23:17:53,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:17:53,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:17:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:17:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:17:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:17:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:17:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:17:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:17:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:17:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:17:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:17:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:17:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:17:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:17:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:17:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:17:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:17:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:17:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:17:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:17:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:17:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:17:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:17:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:17:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:17:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:17:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:17:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:17:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:17:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:17:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:17:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:17:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:17:57,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:17:57,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978769930] [2024-11-08 23:17:57,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978769930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:17:57,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:17:57,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 23:17:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229615855] [2024-11-08 23:17:57,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:17:57,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 23:17:57,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:17:57,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 23:17:57,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-08 23:17:57,115 INFO L87 Difference]: Start difference. First operand 1013 states and 1487 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:17:59,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:17:59,970 INFO L93 Difference]: Finished difference Result 2454 states and 3548 transitions. [2024-11-08 23:17:59,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 23:17:59,971 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-08 23:17:59,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:17:59,976 INFO L225 Difference]: With dead ends: 2454 [2024-11-08 23:17:59,976 INFO L226 Difference]: Without dead ends: 1407 [2024-11-08 23:17:59,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=114, Invalid=192, Unknown=0, NotChecked=0, Total=306 [2024-11-08 23:17:59,978 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 737 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 23:17:59,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 789 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 23:17:59,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2024-11-08 23:18:00,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 983. [2024-11-08 23:18:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 876 states have (on average 1.447488584474886) internal successors, (1268), 880 states have internal predecessors, (1268), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 23:18:00,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1448 transitions. [2024-11-08 23:18:00,043 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1448 transitions. Word has length 209 [2024-11-08 23:18:00,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:18:00,044 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1448 transitions. [2024-11-08 23:18:00,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:18:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1448 transitions. [2024-11-08 23:18:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 23:18:00,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:18:00,045 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:18:00,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 23:18:00,045 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:18:00,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:18:00,046 INFO L85 PathProgramCache]: Analyzing trace with hash -919736964, now seen corresponding path program 1 times [2024-11-08 23:18:00,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:18:00,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074951415] [2024-11-08 23:18:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:18:00,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:18:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:18:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:18:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:18:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:18:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:18:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:18:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:18:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:18:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:18:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:18:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:18:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:18:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:18:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:18:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:18:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:18:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:18:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:18:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:18:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:18:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:18:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:18:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:18:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:18:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:18:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:18:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:18:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:18:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:18:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:18:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:04,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:18:04,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:18:04,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074951415] [2024-11-08 23:18:04,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074951415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:18:04,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:18:04,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 23:18:04,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808103821] [2024-11-08 23:18:04,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:18:04,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 23:18:04,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:18:04,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 23:18:04,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-08 23:18:04,154 INFO L87 Difference]: Start difference. First operand 983 states and 1448 transitions. Second operand has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:18:12,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:18:12,359 INFO L93 Difference]: Finished difference Result 2523 states and 3663 transitions. [2024-11-08 23:18:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 23:18:12,359 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-08 23:18:12,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:18:12,364 INFO L225 Difference]: With dead ends: 2523 [2024-11-08 23:18:12,364 INFO L226 Difference]: Without dead ends: 1531 [2024-11-08 23:18:12,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2024-11-08 23:18:12,366 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 743 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-08 23:18:12,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 1531 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-08 23:18:12,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2024-11-08 23:18:12,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1039. [2024-11-08 23:18:12,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 932 states have (on average 1.444206008583691) internal successors, (1346), 936 states have internal predecessors, (1346), 90 states have call successors, (90), 16 states have call predecessors, (90), 16 states have return successors, (90), 86 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 23:18:12,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1526 transitions. [2024-11-08 23:18:12,419 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1526 transitions. Word has length 209 [2024-11-08 23:18:12,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:18:12,419 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1526 transitions. [2024-11-08 23:18:12,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:18:12,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1526 transitions. [2024-11-08 23:18:12,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 23:18:12,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:18:12,421 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:18:12,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 23:18:12,421 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:18:12,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:18:12,421 INFO L85 PathProgramCache]: Analyzing trace with hash -218672386, now seen corresponding path program 1 times [2024-11-08 23:18:12,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:18:12,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717614781] [2024-11-08 23:18:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:18:12,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:18:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:18:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:18:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:18:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:18:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:18:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:18:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:18:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:18:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:18:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:18:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:18:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:18:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:18:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:18:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:18:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:18:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:18:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:18:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:18:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:18:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:18:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:18:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:18:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:18:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:18:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:18:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:18:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:18:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:18:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:18:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:18:33,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:18:33,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717614781] [2024-11-08 23:18:33,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717614781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:18:33,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:18:33,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 23:18:33,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896939795] [2024-11-08 23:18:33,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:18:33,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 23:18:33,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:18:33,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 23:18:33,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-08 23:18:33,618 INFO L87 Difference]: Start difference. First operand 1039 states and 1526 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:18:37,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:18:37,275 INFO L93 Difference]: Finished difference Result 3310 states and 4842 transitions. [2024-11-08 23:18:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 23:18:37,276 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-08 23:18:37,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:18:37,283 INFO L225 Difference]: With dead ends: 3310 [2024-11-08 23:18:37,283 INFO L226 Difference]: Without dead ends: 2242 [2024-11-08 23:18:37,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=213, Invalid=543, Unknown=0, NotChecked=0, Total=756 [2024-11-08 23:18:37,285 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 913 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:18:37,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 1069 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 23:18:37,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2024-11-08 23:18:37,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2047. [2024-11-08 23:18:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1834 states have (on average 1.4460196292257361) internal successors, (2652), 1842 states have internal predecessors, (2652), 180 states have call successors, (180), 32 states have call predecessors, (180), 32 states have return successors, (180), 172 states have call predecessors, (180), 180 states have call successors, (180) [2024-11-08 23:18:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 3012 transitions. [2024-11-08 23:18:37,418 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 3012 transitions. Word has length 209 [2024-11-08 23:18:37,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:18:37,418 INFO L471 AbstractCegarLoop]: Abstraction has 2047 states and 3012 transitions. [2024-11-08 23:18:37,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 23:18:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 3012 transitions. [2024-11-08 23:18:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 23:18:37,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:18:37,420 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:18:37,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 23:18:37,420 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:18:37,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:18:37,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1191748738, now seen corresponding path program 1 times [2024-11-08 23:18:37,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:18:37,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69932523] [2024-11-08 23:18:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:18:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:18:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:18:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:18:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:18:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:18:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:18:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:18:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:18:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:18:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:18:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:18:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:18:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:18:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:18:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:18:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:18:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:18:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:18:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:18:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:18:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:18:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:18:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:18:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:18:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:18:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 23:18:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:18:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 23:18:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:18:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-08 23:18:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:18:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 23:18:42,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:18:42,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69932523] [2024-11-08 23:18:42,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69932523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:18:42,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:18:42,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-08 23:18:42,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852024314] [2024-11-08 23:18:42,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:18:42,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 23:18:42,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:18:42,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 23:18:42,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2024-11-08 23:18:42,652 INFO L87 Difference]: Start difference. First operand 2047 states and 3012 transitions. Second operand has 20 states, 20 states have (on average 2.85) internal successors, (57), 20 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)