./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 11:03:28,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 11:03:28,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 11:03:28,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 11:03:28,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 11:03:29,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 11:03:29,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 11:03:29,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 11:03:29,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 11:03:29,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 11:03:29,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 11:03:29,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 11:03:29,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 11:03:29,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 11:03:29,007 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 11:03:29,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 11:03:29,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 11:03:29,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 11:03:29,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 11:03:29,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 11:03:29,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 11:03:29,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 11:03:29,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 11:03:29,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 11:03:29,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 11:03:29,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 11:03:29,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 11:03:29,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 11:03:29,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 11:03:29,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 11:03:29,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 11:03:29,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 11:03:29,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:03:29,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 11:03:29,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 11:03:29,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 11:03:29,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 11:03:29,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 11:03:29,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 11:03:29,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 11:03:29,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 11:03:29,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 11:03:29,023 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 [2024-10-11 11:03:29,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 11:03:29,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 11:03:29,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 11:03:29,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 11:03:29,332 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 11:03:29,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-11 11:03:30,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 11:03:31,179 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 11:03:31,180 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-11 11:03:31,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4c99d7411/b48cb88676734a078138205b33622658/FLAGb03c99e6f [2024-10-11 11:03:31,522 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4c99d7411/b48cb88676734a078138205b33622658 [2024-10-11 11:03:31,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 11:03:31,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 11:03:31,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 11:03:31,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 11:03:31,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 11:03:31,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:31,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ba2d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31, skipping insertion in model container [2024-10-11 11:03:31,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:31,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 11:03:31,768 WARN L248 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] [2024-10-11 11:03:31,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:03:31,888 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 11:03:31,899 WARN L248 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] [2024-10-11 11:03:31,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:03:31,959 INFO L204 MainTranslator]: Completed translation [2024-10-11 11:03:31,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31 WrapperNode [2024-10-11 11:03:31,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 11:03:31,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 11:03:31,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 11:03:31,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 11:03:31,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:31,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,040 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-11 11:03:32,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 11:03:32,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 11:03:32,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 11:03:32,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 11:03:32,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,090 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]. [2024-10-11 11:03:32,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 11:03:32,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 11:03:32,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 11:03:32,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 11:03:32,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (1/1) ... [2024-10-11 11:03:32,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:03:32,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:03:32,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 11:03:32,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 11:03:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 11:03:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 11:03:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 11:03:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 11:03:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 11:03:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 11:03:32,385 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 11:03:32,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 11:03:32,932 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-11 11:03:32,932 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 11:03:32,975 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 11:03:32,977 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 11:03:32,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:03:32 BoogieIcfgContainer [2024-10-11 11:03:32,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 11:03:32,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 11:03:32,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 11:03:32,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 11:03:32,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:03:31" (1/3) ... [2024-10-11 11:03:32,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bc726c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:03:32, skipping insertion in model container [2024-10-11 11:03:32,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:03:31" (2/3) ... [2024-10-11 11:03:32,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bc726c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:03:32, skipping insertion in model container [2024-10-11 11:03:32,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:03:32" (3/3) ... [2024-10-11 11:03:32,989 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-11 11:03:33,008 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 11:03:33,009 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 11:03:33,084 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 11:03:33,093 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;@7a1cbd96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 11:03:33,093 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 11:03:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 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) [2024-10-11 11:03:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 11:03:33,119 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:33,121 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] [2024-10-11 11:03:33,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:33,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:33,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1659550983, now seen corresponding path program 1 times [2024-10-11 11:03:33,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:33,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281281485] [2024-10-11 11:03:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:33,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:03:34,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:34,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281281485] [2024-10-11 11:03:34,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281281485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:03:34,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:03:34,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 11:03:34,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531888469] [2024-10-11 11:03:34,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:03:34,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 11:03:34,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:34,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 11:03:34,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 11:03:34,439 INFO L87 Difference]: Start difference. First operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 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 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-10-11 11:03:34,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:03:34,890 INFO L93 Difference]: Finished difference Result 363 states and 637 transitions. [2024-10-11 11:03:34,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 11:03:34,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 200 [2024-10-11 11:03:34,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:03:34,912 INFO L225 Difference]: With dead ends: 363 [2024-10-11 11:03:34,913 INFO L226 Difference]: Without dead ends: 248 [2024-10-11 11:03:34,921 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 [2024-10-11 11:03:34,929 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 170 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 11:03:34,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 713 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 11:03:34,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-11 11:03:35,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 238. [2024-10-11 11:03:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 173 states have (on average 1.416184971098266) internal successors, (245), 173 states have internal predecessors, (245), 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) [2024-10-11 11:03:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 369 transitions. [2024-10-11 11:03:35,022 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 369 transitions. Word has length 200 [2024-10-11 11:03:35,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:03:35,025 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 369 transitions. [2024-10-11 11:03:35,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-10-11 11:03:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 369 transitions. [2024-10-11 11:03:35,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-11 11:03:35,032 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:35,032 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] [2024-10-11 11:03:35,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 11:03:35,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:35,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:35,034 INFO L85 PathProgramCache]: Analyzing trace with hash -267863396, now seen corresponding path program 1 times [2024-10-11 11:03:35,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:35,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945755308] [2024-10-11 11:03:35,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:35,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:03:35,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:35,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945755308] [2024-10-11 11:03:35,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945755308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:03:35,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:03:35,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 11:03:35,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065001384] [2024-10-11 11:03:35,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:03:35,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 11:03:35,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:35,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 11:03:35,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 11:03:35,734 INFO L87 Difference]: Start difference. First operand 238 states and 369 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-10-11 11:03:36,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:03:36,100 INFO L93 Difference]: Finished difference Result 695 states and 1076 transitions. [2024-10-11 11:03:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 11:03:36,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 201 [2024-10-11 11:03:36,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:03:36,110 INFO L225 Difference]: With dead ends: 695 [2024-10-11 11:03:36,111 INFO L226 Difference]: Without dead ends: 458 [2024-10-11 11:03:36,113 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 [2024-10-11 11:03:36,114 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 141 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 11:03:36,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 555 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 11:03:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-11 11:03:36,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 313. [2024-10-11 11:03:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 248 states have (on average 1.4596774193548387) internal successors, (362), 248 states have internal predecessors, (362), 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) [2024-10-11 11:03:36,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 486 transitions. [2024-10-11 11:03:36,174 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 486 transitions. Word has length 201 [2024-10-11 11:03:36,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:03:36,175 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 486 transitions. [2024-10-11 11:03:36,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-10-11 11:03:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 486 transitions. [2024-10-11 11:03:36,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 11:03:36,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:36,179 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] [2024-10-11 11:03:36,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 11:03:36,180 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:36,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:36,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2021392112, now seen corresponding path program 1 times [2024-10-11 11:03:36,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:36,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378574064] [2024-10-11 11:03:36,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:36,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:03:38,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:38,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378574064] [2024-10-11 11:03:38,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378574064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:03:38,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:03:38,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 11:03:38,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728931161] [2024-10-11 11:03:38,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:03:38,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 11:03:38,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:38,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 11:03:38,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 11:03:38,861 INFO L87 Difference]: Start difference. First operand 313 states and 486 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-10-11 11:03:39,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:03:39,839 INFO L93 Difference]: Finished difference Result 894 states and 1379 transitions. [2024-10-11 11:03:39,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 11:03:39,840 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 202 [2024-10-11 11:03:39,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:03:39,844 INFO L225 Difference]: With dead ends: 894 [2024-10-11 11:03:39,844 INFO L226 Difference]: Without dead ends: 582 [2024-10-11 11:03:39,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-10-11 11:03:39,849 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 425 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 11:03:39,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 403 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 11:03:39,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-10-11 11:03:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 429. [2024-10-11 11:03:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 364 states have (on average 1.4917582417582418) internal successors, (543), 364 states have internal predecessors, (543), 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) [2024-10-11 11:03:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 667 transitions. [2024-10-11 11:03:39,903 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 667 transitions. Word has length 202 [2024-10-11 11:03:39,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:03:39,904 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 667 transitions. [2024-10-11 11:03:39,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-10-11 11:03:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 667 transitions. [2024-10-11 11:03:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 11:03:39,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:39,909 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] [2024-10-11 11:03:39,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 11:03:39,910 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:39,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:39,910 INFO L85 PathProgramCache]: Analyzing trace with hash 27247406, now seen corresponding path program 1 times [2024-10-11 11:03:39,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:39,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489905425] [2024-10-11 11:03:39,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:03:42,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:42,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489905425] [2024-10-11 11:03:42,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489905425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:03:42,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:03:42,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 11:03:42,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554475912] [2024-10-11 11:03:42,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:03:42,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 11:03:42,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:42,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 11:03:42,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 11:03:42,404 INFO L87 Difference]: Start difference. First operand 429 states and 667 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-10-11 11:03:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:03:44,085 INFO L93 Difference]: Finished difference Result 1096 states and 1666 transitions. [2024-10-11 11:03:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 11:03:44,086 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 202 [2024-10-11 11:03:44,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:03:44,090 INFO L225 Difference]: With dead ends: 1096 [2024-10-11 11:03:44,090 INFO L226 Difference]: Without dead ends: 668 [2024-10-11 11:03:44,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-11 11:03:44,098 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 341 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 11:03:44,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 805 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 11:03:44,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-10-11 11:03:44,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 439. [2024-10-11 11:03:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 374 states have (on average 1.4919786096256684) internal successors, (558), 374 states have internal predecessors, (558), 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) [2024-10-11 11:03:44,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 682 transitions. [2024-10-11 11:03:44,139 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 682 transitions. Word has length 202 [2024-10-11 11:03:44,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:03:44,140 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 682 transitions. [2024-10-11 11:03:44,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-10-11 11:03:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 682 transitions. [2024-10-11 11:03:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 11:03:44,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:44,144 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] [2024-10-11 11:03:44,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 11:03:44,145 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:44,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:44,146 INFO L85 PathProgramCache]: Analyzing trace with hash -983869844, now seen corresponding path program 1 times [2024-10-11 11:03:44,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:44,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165487127] [2024-10-11 11:03:44,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:44,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:03:45,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:45,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165487127] [2024-10-11 11:03:45,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165487127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:03:45,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:03:45,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 11:03:45,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815881092] [2024-10-11 11:03:45,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:03:45,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 11:03:45,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:45,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 11:03:45,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 11:03:45,578 INFO L87 Difference]: Start difference. First operand 439 states and 682 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2024-10-11 11:03:47,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:03:47,570 INFO L93 Difference]: Finished difference Result 1149 states and 1751 transitions. [2024-10-11 11:03:47,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 11:03:47,572 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 202 [2024-10-11 11:03:47,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:03:47,577 INFO L225 Difference]: With dead ends: 1149 [2024-10-11 11:03:47,577 INFO L226 Difference]: Without dead ends: 711 [2024-10-11 11:03:47,578 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 [2024-10-11 11:03:47,579 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 246 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 11:03:47,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1067 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 11:03:47,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-10-11 11:03:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 412. [2024-10-11 11:03:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 347 states have (on average 1.484149855907781) internal successors, (515), 347 states have internal predecessors, (515), 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) [2024-10-11 11:03:47,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 639 transitions. [2024-10-11 11:03:47,606 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 639 transitions. Word has length 202 [2024-10-11 11:03:47,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:03:47,607 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 639 transitions. [2024-10-11 11:03:47,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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) [2024-10-11 11:03:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 639 transitions. [2024-10-11 11:03:47,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 11:03:47,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:47,610 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] [2024-10-11 11:03:47,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 11:03:47,611 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:47,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:47,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1152927460, now seen corresponding path program 1 times [2024-10-11 11:03:47,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:47,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403191719] [2024-10-11 11:03:47,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:47,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:03:47,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:47,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403191719] [2024-10-11 11:03:47,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403191719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:03:47,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:03:47,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 11:03:47,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921694446] [2024-10-11 11:03:47,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:03:47,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 11:03:47,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:47,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 11:03:47,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 11:03:47,830 INFO L87 Difference]: Start difference. First operand 412 states and 639 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (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) [2024-10-11 11:03:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:03:47,946 INFO L93 Difference]: Finished difference Result 1085 states and 1683 transitions. [2024-10-11 11:03:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 11:03:47,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (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 202 [2024-10-11 11:03:47,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:03:47,953 INFO L225 Difference]: With dead ends: 1085 [2024-10-11 11:03:47,954 INFO L226 Difference]: Without dead ends: 674 [2024-10-11 11:03:47,955 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 [2024-10-11 11:03:47,957 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 145 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 11:03:47,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 436 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 11:03:47,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-10-11 11:03:47,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 531. [2024-10-11 11:03:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 466 states have (on average 1.5) internal successors, (699), 466 states have internal predecessors, (699), 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) [2024-10-11 11:03:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 823 transitions. [2024-10-11 11:03:48,004 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 823 transitions. Word has length 202 [2024-10-11 11:03:48,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:03:48,007 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 823 transitions. [2024-10-11 11:03:48,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (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) [2024-10-11 11:03:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 823 transitions. [2024-10-11 11:03:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 11:03:48,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:48,011 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] [2024-10-11 11:03:48,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 11:03:48,011 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:48,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:48,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1160998727, now seen corresponding path program 1 times [2024-10-11 11:03:48,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:48,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483417181] [2024-10-11 11:03:48,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:48,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:03:48,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:48,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483417181] [2024-10-11 11:03:48,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483417181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:03:48,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:03:48,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 11:03:48,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562621877] [2024-10-11 11:03:48,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:03:48,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 11:03:48,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:48,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 11:03:48,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 11:03:48,330 INFO L87 Difference]: Start difference. First operand 531 states and 823 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-10-11 11:03:48,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:03:48,767 INFO L93 Difference]: Finished difference Result 1329 states and 2060 transitions. [2024-10-11 11:03:48,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 11:03:48,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 203 [2024-10-11 11:03:48,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:03:48,773 INFO L225 Difference]: With dead ends: 1329 [2024-10-11 11:03:48,773 INFO L226 Difference]: Without dead ends: 799 [2024-10-11 11:03:48,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 11:03:48,776 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 150 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 11:03:48,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 625 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 11:03:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-10-11 11:03:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 559. [2024-10-11 11:03:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 494 states have (on average 1.4939271255060729) internal successors, (738), 494 states have internal predecessors, (738), 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) [2024-10-11 11:03:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 862 transitions. [2024-10-11 11:03:48,852 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 862 transitions. Word has length 203 [2024-10-11 11:03:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:03:48,855 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 862 transitions. [2024-10-11 11:03:48,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-10-11 11:03:48,856 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 862 transitions. [2024-10-11 11:03:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 11:03:48,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:48,861 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] [2024-10-11 11:03:48,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 11:03:48,861 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:48,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:48,862 INFO L85 PathProgramCache]: Analyzing trace with hash 52219541, now seen corresponding path program 1 times [2024-10-11 11:03:48,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:48,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441388217] [2024-10-11 11:03:48,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:48,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-11 11:03:49,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:49,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441388217] [2024-10-11 11:03:49,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441388217] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 11:03:49,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16221108] [2024-10-11 11:03:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:03:49,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:03:49,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:03:49,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 11:03:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:49,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 11:03:49,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:03:51,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-10-11 11:03:51,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:03:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-11 11:03:51,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16221108] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:03:51,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 11:03:51,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 6] total 22 [2024-10-11 11:03:51,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811405483] [2024-10-11 11:03:51,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 11:03:51,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 11:03:51,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:51,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 11:03:51,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2024-10-11 11:03:51,602 INFO L87 Difference]: Start difference. First operand 559 states and 862 transitions. Second operand has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-11 11:03:56,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:03:56,358 INFO L93 Difference]: Finished difference Result 1880 states and 2810 transitions. [2024-10-11 11:03:56,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-11 11:03:56,359 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) Word has length 204 [2024-10-11 11:03:56,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:03:56,369 INFO L225 Difference]: With dead ends: 1880 [2024-10-11 11:03:56,369 INFO L226 Difference]: Without dead ends: 1322 [2024-10-11 11:03:56,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2401 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1128, Invalid=5678, Unknown=0, NotChecked=0, Total=6806 [2024-10-11 11:03:56,375 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1764 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 702 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 702 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-11 11:03:56,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 1088 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [702 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-11 11:03:56,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2024-10-11 11:03:56,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1011. [2024-10-11 11:03:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 831 states have (on average 1.4127557160048134) internal successors, (1174), 834 states have internal predecessors, (1174), 159 states have call successors, (159), 20 states have call predecessors, (159), 20 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-11 11:03:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1492 transitions. [2024-10-11 11:03:56,572 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1492 transitions. Word has length 204 [2024-10-11 11:03:56,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:03:56,573 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1492 transitions. [2024-10-11 11:03:56,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-11 11:03:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1492 transitions. [2024-10-11 11:03:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 11:03:56,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:03:56,576 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] [2024-10-11 11:03:56,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 11:03:56,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:03:56,778 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:03:56,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:03:56,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1612228263, now seen corresponding path program 1 times [2024-10-11 11:03:56,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:03:56,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101519061] [2024-10-11 11:03:56,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:03:56,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:03:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:03:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:03:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:03:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:03:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:03:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:03:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:03:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:03:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:03:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:03:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:03:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:03:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:03:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:03:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:03:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:03:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:03:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:03:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:03:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:03:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:03:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:03:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:03:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:03:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:03:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:03:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:03:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:03:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:03:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:03:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:03:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:03:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:03:58,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:03:58,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101519061] [2024-10-11 11:03:58,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101519061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:03:58,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:03:58,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 11:03:58,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144095002] [2024-10-11 11:03:58,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:03:58,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 11:03:58,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:03:58,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 11:03:58,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 11:03:58,969 INFO L87 Difference]: Start difference. First operand 1011 states and 1492 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 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) [2024-10-11 11:04:01,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:04:01,555 INFO L93 Difference]: Finished difference Result 2147 states and 3148 transitions. [2024-10-11 11:04:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 11:04:01,556 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 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 [2024-10-11 11:04:01,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:04:01,569 INFO L225 Difference]: With dead ends: 2147 [2024-10-11 11:04:01,569 INFO L226 Difference]: Without dead ends: 1690 [2024-10-11 11:04:01,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-11 11:04:01,575 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 451 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 11:04:01,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1341 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 11:04:01,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2024-10-11 11:04:01,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1038. [2024-10-11 11:04:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 857 states have (on average 1.411901983663944) internal successors, (1210), 860 states have internal predecessors, (1210), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-11 11:04:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1528 transitions. [2024-10-11 11:04:01,715 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1528 transitions. Word has length 204 [2024-10-11 11:04:01,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:04:01,716 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1528 transitions. [2024-10-11 11:04:01,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 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) [2024-10-11 11:04:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1528 transitions. [2024-10-11 11:04:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 11:04:01,719 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:04:01,719 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] [2024-10-11 11:04:01,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 11:04:01,720 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:04:01,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:04:01,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2095933019, now seen corresponding path program 1 times [2024-10-11 11:04:01,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:04:01,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174856544] [2024-10-11 11:04:01,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:01,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:04:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:04:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:04:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:04:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:04:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:04:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:04:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:04:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:04:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:04:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:04:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:04:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:04:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:04:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:04:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:04:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:04:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:04:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:04:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:04:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:04:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:04:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:04:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:04:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:04:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:04:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:04:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:04:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:04:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:04:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:04:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:04:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:04:03,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:04:03,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174856544] [2024-10-11 11:04:03,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174856544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:04:03,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:04:03,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 11:04:03,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066672023] [2024-10-11 11:04:03,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:04:03,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 11:04:03,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:04:03,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 11:04:03,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 11:04:03,359 INFO L87 Difference]: Start difference. First operand 1038 states and 1528 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 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) [2024-10-11 11:04:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:04:04,707 INFO L93 Difference]: Finished difference Result 2253 states and 3320 transitions. [2024-10-11 11:04:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 11:04:04,708 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 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 [2024-10-11 11:04:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:04:04,716 INFO L225 Difference]: With dead ends: 2253 [2024-10-11 11:04:04,716 INFO L226 Difference]: Without dead ends: 1460 [2024-10-11 11:04:04,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 11:04:04,720 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 205 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 11:04:04,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 830 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 11:04:04,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2024-10-11 11:04:04,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1141. [2024-10-11 11:04:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 960 states have (on average 1.4135416666666667) internal successors, (1357), 963 states have internal predecessors, (1357), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-11 11:04:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1675 transitions. [2024-10-11 11:04:04,869 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1675 transitions. Word has length 204 [2024-10-11 11:04:04,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:04:04,870 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1675 transitions. [2024-10-11 11:04:04,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 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) [2024-10-11 11:04:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1675 transitions. [2024-10-11 11:04:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 11:04:04,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:04:04,873 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] [2024-10-11 11:04:04,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 11:04:04,873 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:04:04,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:04:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1918209352, now seen corresponding path program 1 times [2024-10-11 11:04:04,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:04:04,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525007838] [2024-10-11 11:04:04,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:04,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:04:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:04:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:04:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:04:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:04:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:04:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:04:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:04:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:04:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:04:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:04:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:04:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:04:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:04:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:04:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:04:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:04:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:04:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:04:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:04:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:04:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:04:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:04:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:04:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:04:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:04:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:04:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:04:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:04:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:04:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:04:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:04:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:04:11,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:04:11,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525007838] [2024-10-11 11:04:11,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525007838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:04:11,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:04:11,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-11 11:04:11,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159114446] [2024-10-11 11:04:11,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:04:11,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 11:04:11,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:04:11,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 11:04:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-10-11 11:04:11,274 INFO L87 Difference]: Start difference. First operand 1141 states and 1675 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 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) [2024-10-11 11:04:14,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:04:14,877 INFO L93 Difference]: Finished difference Result 2682 states and 3902 transitions. [2024-10-11 11:04:14,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 11:04:14,878 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 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 [2024-10-11 11:04:14,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:04:14,886 INFO L225 Difference]: With dead ends: 2682 [2024-10-11 11:04:14,887 INFO L226 Difference]: Without dead ends: 1877 [2024-10-11 11:04:14,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2024-10-11 11:04:14,890 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 785 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-11 11:04:14,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1041 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-11 11:04:14,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-10-11 11:04:15,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1290. [2024-10-11 11:04:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1109 states have (on average 1.4192966636609559) internal successors, (1574), 1112 states have internal predecessors, (1574), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-11 11:04:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1892 transitions. [2024-10-11 11:04:15,014 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1892 transitions. Word has length 205 [2024-10-11 11:04:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:04:15,015 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1892 transitions. [2024-10-11 11:04:15,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 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) [2024-10-11 11:04:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1892 transitions. [2024-10-11 11:04:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 11:04:15,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:04:15,021 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] [2024-10-11 11:04:15,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 11:04:15,021 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:04:15,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:04:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash -113976252, now seen corresponding path program 1 times [2024-10-11 11:04:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:04:15,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093005435] [2024-10-11 11:04:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:04:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:04:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:04:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:04:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:04:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:04:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:04:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:04:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:04:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:04:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:04:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:04:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:04:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:04:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:04:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:04:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:04:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:04:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:04:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:04:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:04:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:04:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:04:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:04:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:04:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:04:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:04:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:04:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:04:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:04:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:04:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:04:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:04:15,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:04:15,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093005435] [2024-10-11 11:04:15,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093005435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:04:15,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:04:15,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 11:04:15,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138086389] [2024-10-11 11:04:15,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:04:15,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 11:04:15,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:04:15,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 11:04:15,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 11:04:15,659 INFO L87 Difference]: Start difference. First operand 1290 states and 1892 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-11 11:04:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:04:16,662 INFO L93 Difference]: Finished difference Result 4003 states and 5823 transitions. [2024-10-11 11:04:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 11:04:16,663 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 205 [2024-10-11 11:04:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:04:16,678 INFO L225 Difference]: With dead ends: 4003 [2024-10-11 11:04:16,678 INFO L226 Difference]: Without dead ends: 2980 [2024-10-11 11:04:16,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-11 11:04:16,683 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 353 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 11:04:16,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 700 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 11:04:16,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2024-10-11 11:04:16,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2428. [2024-10-11 11:04:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 2103 states have (on average 1.4170233000475512) internal successors, (2980), 2109 states have internal predecessors, (2980), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-11 11:04:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 3554 transitions. [2024-10-11 11:04:16,909 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 3554 transitions. Word has length 205 [2024-10-11 11:04:16,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:04:16,910 INFO L471 AbstractCegarLoop]: Abstraction has 2428 states and 3554 transitions. [2024-10-11 11:04:16,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-11 11:04:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 3554 transitions. [2024-10-11 11:04:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 11:04:16,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:04:16,913 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] [2024-10-11 11:04:16,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 11:04:16,913 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:04:16,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:04:16,914 INFO L85 PathProgramCache]: Analyzing trace with hash 144189186, now seen corresponding path program 1 times [2024-10-11 11:04:16,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:04:16,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725378720] [2024-10-11 11:04:16,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:16,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:04:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:04:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:04:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:04:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:04:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:04:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:04:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:04:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:04:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:04:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:04:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:04:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:04:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:04:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:04:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:04:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:04:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:04:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:04:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:04:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:04:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:04:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:04:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:04:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:04:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:04:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:04:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:04:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:04:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:04:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:04:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:04:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:04:17,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:04:17,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725378720] [2024-10-11 11:04:17,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725378720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:04:17,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:04:17,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 11:04:17,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6505741] [2024-10-11 11:04:17,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:04:17,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 11:04:17,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:04:17,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 11:04:17,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 11:04:17,157 INFO L87 Difference]: Start difference. First operand 2428 states and 3554 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) [2024-10-11 11:04:17,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:04:17,678 INFO L93 Difference]: Finished difference Result 4877 states and 7111 transitions. [2024-10-11 11:04:17,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 11:04:17,679 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 [2024-10-11 11:04:17,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:04:17,693 INFO L225 Difference]: With dead ends: 4877 [2024-10-11 11:04:17,694 INFO L226 Difference]: Without dead ends: 2828 [2024-10-11 11:04:17,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 11:04:17,701 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 191 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 11:04:17,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 327 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 11:04:17,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-10-11 11:04:17,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2420. [2024-10-11 11:04:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 2095 states have (on average 1.4066825775656324) internal successors, (2947), 2101 states have internal predecessors, (2947), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-11 11:04:17,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 3521 transitions. [2024-10-11 11:04:17,944 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 3521 transitions. Word has length 205 [2024-10-11 11:04:17,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:04:17,945 INFO L471 AbstractCegarLoop]: Abstraction has 2420 states and 3521 transitions. [2024-10-11 11:04:17,945 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) [2024-10-11 11:04:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 3521 transitions. [2024-10-11 11:04:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 11:04:17,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:04:17,947 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] [2024-10-11 11:04:17,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 11:04:17,948 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:04:17,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:04:17,948 INFO L85 PathProgramCache]: Analyzing trace with hash 2058757962, now seen corresponding path program 1 times [2024-10-11 11:04:17,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:04:17,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890496357] [2024-10-11 11:04:17,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:04:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:04:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:04:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:04:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:04:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:04:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:04:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:04:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:04:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:04:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:04:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:04:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:04:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:04:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:04:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:04:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:04:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:04:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:04:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:04:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:04:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:04:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:04:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:04:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:04:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:04:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:04:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:04:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:04:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:04:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:04:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:04:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:21,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:04:21,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:04:21,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890496357] [2024-10-11 11:04:21,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890496357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:04:21,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:04:21,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 11:04:21,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537677950] [2024-10-11 11:04:21,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:04:21,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 11:04:21,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:04:21,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 11:04:21,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-11 11:04:21,094 INFO L87 Difference]: Start difference. First operand 2420 states and 3521 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 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) [2024-10-11 11:04:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:04:23,312 INFO L93 Difference]: Finished difference Result 4121 states and 5909 transitions. [2024-10-11 11:04:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 11:04:23,313 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 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 [2024-10-11 11:04:23,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:04:23,327 INFO L225 Difference]: With dead ends: 4121 [2024-10-11 11:04:23,328 INFO L226 Difference]: Without dead ends: 3200 [2024-10-11 11:04:23,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-10-11 11:04:23,332 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 343 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 11:04:23,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 742 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 11:04:23,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2024-10-11 11:04:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 2426. [2024-10-11 11:04:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2426 states, 2101 states have (on average 1.4069490718705377) internal successors, (2956), 2107 states have internal predecessors, (2956), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-11 11:04:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3530 transitions. [2024-10-11 11:04:23,582 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3530 transitions. Word has length 205 [2024-10-11 11:04:23,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:04:23,583 INFO L471 AbstractCegarLoop]: Abstraction has 2426 states and 3530 transitions. [2024-10-11 11:04:23,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 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) [2024-10-11 11:04:23,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3530 transitions. [2024-10-11 11:04:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-11 11:04:23,585 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:04:23,585 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] [2024-10-11 11:04:23,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 11:04:23,586 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:04:23,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:04:23,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1047640712, now seen corresponding path program 1 times [2024-10-11 11:04:23,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:04:23,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409143892] [2024-10-11 11:04:23,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:23,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:04:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:04:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:04:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:04:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:04:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:04:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:04:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:04:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:04:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:04:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:04:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:04:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:04:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:04:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:04:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:04:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:04:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:04:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:04:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:04:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:04:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:04:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:04:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:04:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:04:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:04:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:04:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:04:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:04:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:04:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:04:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:04:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:04:25,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:04:25,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409143892] [2024-10-11 11:04:25,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409143892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:04:25,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:04:25,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 11:04:25,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143643546] [2024-10-11 11:04:25,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:04:25,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 11:04:25,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:04:25,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 11:04:25,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 11:04:25,784 INFO L87 Difference]: Start difference. First operand 2426 states and 3530 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 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) [2024-10-11 11:04:28,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:04:28,030 INFO L93 Difference]: Finished difference Result 5161 states and 7466 transitions. [2024-10-11 11:04:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 11:04:28,032 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 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 [2024-10-11 11:04:28,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:04:28,048 INFO L225 Difference]: With dead ends: 5161 [2024-10-11 11:04:28,049 INFO L226 Difference]: Without dead ends: 3328 [2024-10-11 11:04:28,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2024-10-11 11:04:28,058 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 573 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 11:04:28,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 905 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 11:04:28,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3328 states. [2024-10-11 11:04:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3328 to 2251. [2024-10-11 11:04:28,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 1926 states have (on average 1.3992731048805815) internal successors, (2695), 1932 states have internal predecessors, (2695), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-11 11:04:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3269 transitions. [2024-10-11 11:04:28,310 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3269 transitions. Word has length 205 [2024-10-11 11:04:28,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:04:28,311 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3269 transitions. [2024-10-11 11:04:28,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 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) [2024-10-11 11:04:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3269 transitions. [2024-10-11 11:04:28,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-11 11:04:28,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:04:28,313 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] [2024-10-11 11:04:28,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 11:04:28,313 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:04:28,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:04:28,314 INFO L85 PathProgramCache]: Analyzing trace with hash -773161730, now seen corresponding path program 1 times [2024-10-11 11:04:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:04:28,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322843276] [2024-10-11 11:04:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:04:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:04:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:04:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:04:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:04:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:04:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:04:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:04:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:04:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:04:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:04:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:04:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:04:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 11:04:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 11:04:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 11:04:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 11:04:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 11:04:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 11:04:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 11:04:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 11:04:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 11:04:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 11:04:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 11:04:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 11:04:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 11:04:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 11:04:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 11:04:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 11:04:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 11:04:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 11:04:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 11:04:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-11 11:04:28,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:04:28,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322843276] [2024-10-11 11:04:28,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322843276] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 11:04:28,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285208613] [2024-10-11 11:04:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:28,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 11:04:28,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:04:28,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 11:04:28,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 11:04:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:04:29,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 11:04:29,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 11:04:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-10-11 11:04:29,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 11:04:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-11 11:04:29,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285208613] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 11:04:29,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 11:04:29,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 6] total 20 [2024-10-11 11:04:29,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247616621] [2024-10-11 11:04:29,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 11:04:29,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 11:04:29,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:04:29,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 11:04:29,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-10-11 11:04:29,939 INFO L87 Difference]: Start difference. First operand 2251 states and 3269 transitions. Second operand has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-11 11:04:32,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:04:32,070 INFO L93 Difference]: Finished difference Result 4458 states and 6428 transitions. [2024-10-11 11:04:32,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-11 11:04:32,071 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) Word has length 206 [2024-10-11 11:04:32,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:04:32,093 INFO L225 Difference]: With dead ends: 4458 [2024-10-11 11:04:32,093 INFO L226 Difference]: Without dead ends: 2505 [2024-10-11 11:04:32,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=747, Invalid=2913, Unknown=0, NotChecked=0, Total=3660 [2024-10-11 11:04:32,101 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1065 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 11:04:32,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 806 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 11:04:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2024-10-11 11:04:32,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2059. [2024-10-11 11:04:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1694 states have (on average 1.3819362455726092) internal successors, (2341), 1702 states have internal predecessors, (2341), 309 states have call successors, (309), 55 states have call predecessors, (309), 55 states have return successors, (309), 301 states have call predecessors, (309), 309 states have call successors, (309) [2024-10-11 11:04:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2959 transitions. [2024-10-11 11:04:32,419 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2959 transitions. Word has length 206 [2024-10-11 11:04:32,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:04:32,420 INFO L471 AbstractCegarLoop]: Abstraction has 2059 states and 2959 transitions. [2024-10-11 11:04:32,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-11 11:04:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2959 transitions. [2024-10-11 11:04:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-11 11:04:32,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:04:32,422 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] [2024-10-11 11:04:32,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 11:04:32,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 11:04:32,623 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:04:32,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:04:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash -999760081, now seen corresponding path program 1 times [2024-10-11 11:04:32,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:04:32,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906116447] [2024-10-11 11:04:32,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:04:32,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:04:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat