./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_fillercode_fillercodesize_ps-cn-50_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a806d48a99ead9732da218ab0539f2c78630232c1efa4792aeda8612b71a9641 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:30:58,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:30:58,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:30:58,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:30:58,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:30:58,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:30:58,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:30:58,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:30:58,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:30:58,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:30:58,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:30:58,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:30:58,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:30:58,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:30:58,606 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:30:58,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:30:58,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:30:58,608 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:30:58,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:30:58,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:30:58,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:30:58,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:30:58,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:30:58,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:30:58,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:30:58,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:30:58,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:30:58,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:30:58,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:30:58,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:30:58,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:30:58,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:30:58,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:30:58,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:30:58,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:30:58,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:30:58,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:30:58,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:30:58,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:30:58,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:30:58,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:30:58,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:30:58,616 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a806d48a99ead9732da218ab0539f2c78630232c1efa4792aeda8612b71a9641 [2024-10-13 01:30:58,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:30:58,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:30:58,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:30:58,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:30:58,908 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:30:58,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-86.i [2024-10-13 01:31:00,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:31:00,562 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:31:00,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-86.i [2024-10-13 01:31:00,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ffaed83/78bbe36663ce4379935c1e1bd0fc33e0/FLAGb5ca9fcbb [2024-10-13 01:31:00,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ffaed83/78bbe36663ce4379935c1e1bd0fc33e0 [2024-10-13 01:31:00,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:31:00,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:31:00,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:31:00,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:31:00,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:31:00,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:00,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500bc4b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00, skipping insertion in model container [2024-10-13 01:31:00,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:00,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:31:00,823 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_fillercode_fillercodesize_ps-cn-50_file-86.i[915,928] [2024-10-13 01:31:00,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:31:00,933 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:31:00,942 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_fillercode_fillercodesize_ps-cn-50_file-86.i[915,928] [2024-10-13 01:31:00,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:31:00,996 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:31:00,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00 WrapperNode [2024-10-13 01:31:00,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:31:00,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:31:00,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:31:00,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:31:01,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,061 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-10-13 01:31:01,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:31:01,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:31:01,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:31:01,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:31:01,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,079 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,127 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]. [2024-10-13 01:31:01,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:31:01,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:31:01,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:31:01,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:31:01,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (1/1) ... [2024-10-13 01:31:01,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:31:01,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:31:01,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 01:31:01,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 01:31:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:31:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:31:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:31:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:31:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:31:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:31:01,373 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:31:01,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:31:01,961 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-13 01:31:01,961 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:31:02,007 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:31:02,008 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:31:02,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:31:02 BoogieIcfgContainer [2024-10-13 01:31:02,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:31:02,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:31:02,012 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:31:02,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:31:02,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:31:00" (1/3) ... [2024-10-13 01:31:02,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af51604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:31:02, skipping insertion in model container [2024-10-13 01:31:02,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:31:00" (2/3) ... [2024-10-13 01:31:02,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af51604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:31:02, skipping insertion in model container [2024-10-13 01:31:02,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:31:02" (3/3) ... [2024-10-13 01:31:02,020 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-86.i [2024-10-13 01:31:02,034 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:31:02,034 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:31:02,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:31:02,105 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;@25644a82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:31:02,105 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:31:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 64 states have (on average 1.515625) internal successors, (97), 65 states have internal predecessors, (97), 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) [2024-10-13 01:31:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 01:31:02,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:02,133 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] [2024-10-13 01:31:02,134 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:02,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash -919943482, now seen corresponding path program 1 times [2024-10-13 01:31:02,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:02,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9168599] [2024-10-13 01:31:02,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:02,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:02,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:02,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9168599] [2024-10-13 01:31:02,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9168599] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:02,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:02,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:31:02,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376008187] [2024-10-13 01:31:02,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:02,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:31:02,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:02,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:31:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:31:02,748 INFO L87 Difference]: Start difference. First operand has 98 states, 64 states have (on average 1.515625) internal successors, (97), 65 states have internal predecessors, (97), 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 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:31:02,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:02,804 INFO L93 Difference]: Finished difference Result 193 states and 347 transitions. [2024-10-13 01:31:02,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:31:02,808 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 193 [2024-10-13 01:31:02,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:02,818 INFO L225 Difference]: With dead ends: 193 [2024-10-13 01:31:02,818 INFO L226 Difference]: Without dead ends: 96 [2024-10-13 01:31:02,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:31:02,829 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:02,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:31:02,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-13 01:31:02,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-13 01:31:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 63 states have internal predecessors, (91), 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) [2024-10-13 01:31:02,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-13 01:31:02,892 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 193 [2024-10-13 01:31:02,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:02,892 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-13 01:31:02,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:31:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-13 01:31:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 01:31:02,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:02,902 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] [2024-10-13 01:31:02,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:31:02,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:02,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:02,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1264101060, now seen corresponding path program 1 times [2024-10-13 01:31:02,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:02,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747676371] [2024-10-13 01:31:02,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:02,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:03,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:03,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747676371] [2024-10-13 01:31:03,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747676371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:03,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:03,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:31:03,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882875183] [2024-10-13 01:31:03,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:03,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:31:03,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:31:03,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:31:03,392 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-10-13 01:31:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:03,430 INFO L93 Difference]: Finished difference Result 192 states and 307 transitions. [2024-10-13 01:31:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:31:03,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 193 [2024-10-13 01:31:03,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:03,434 INFO L225 Difference]: With dead ends: 192 [2024-10-13 01:31:03,434 INFO L226 Difference]: Without dead ends: 97 [2024-10-13 01:31:03,435 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 [2024-10-13 01:31:03,436 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:03,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 293 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:31:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-13 01:31:03,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-13 01:31:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 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) [2024-10-13 01:31:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions. [2024-10-13 01:31:03,452 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 193 [2024-10-13 01:31:03,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:03,455 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 154 transitions. [2024-10-13 01:31:03,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-10-13 01:31:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2024-10-13 01:31:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 01:31:03,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:03,463 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] [2024-10-13 01:31:03,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:31:03,463 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:03,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:03,464 INFO L85 PathProgramCache]: Analyzing trace with hash -324246842, now seen corresponding path program 1 times [2024-10-13 01:31:03,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:03,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115128980] [2024-10-13 01:31:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:03,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:13,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:13,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115128980] [2024-10-13 01:31:13,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115128980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:13,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:13,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 01:31:13,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38670122] [2024-10-13 01:31:13,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:13,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 01:31:13,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:13,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 01:31:13,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:31:13,576 INFO L87 Difference]: Start difference. First operand 97 states and 154 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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) [2024-10-13 01:31:16,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:16,410 INFO L93 Difference]: Finished difference Result 352 states and 547 transitions. [2024-10-13 01:31:16,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 01:31:16,412 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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 193 [2024-10-13 01:31:16,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:16,418 INFO L225 Difference]: With dead ends: 352 [2024-10-13 01:31:16,418 INFO L226 Difference]: Without dead ends: 256 [2024-10-13 01:31:16,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2024-10-13 01:31:16,421 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 373 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:16,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 903 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 01:31:16,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-10-13 01:31:16,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 190. [2024-10-13 01:31:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 125 states have (on average 1.416) internal successors, (177), 125 states have internal predecessors, (177), 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) [2024-10-13 01:31:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 301 transitions. [2024-10-13 01:31:16,479 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 301 transitions. Word has length 193 [2024-10-13 01:31:16,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:16,480 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 301 transitions. [2024-10-13 01:31:16,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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) [2024-10-13 01:31:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 301 transitions. [2024-10-13 01:31:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 01:31:16,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:16,485 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] [2024-10-13 01:31:16,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:31:16,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:16,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:16,487 INFO L85 PathProgramCache]: Analyzing trace with hash -717273852, now seen corresponding path program 1 times [2024-10-13 01:31:16,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:16,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489161417] [2024-10-13 01:31:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:16,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:16,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:16,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489161417] [2024-10-13 01:31:16,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489161417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:16,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:16,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:31:16,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862977343] [2024-10-13 01:31:16,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:16,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:31:16,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:16,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:31:16,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:31:16,669 INFO L87 Difference]: Start difference. First operand 190 states and 301 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-10-13 01:31:16,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:16,721 INFO L93 Difference]: Finished difference Result 381 states and 605 transitions. [2024-10-13 01:31:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:31:16,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 193 [2024-10-13 01:31:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:16,729 INFO L225 Difference]: With dead ends: 381 [2024-10-13 01:31:16,730 INFO L226 Difference]: Without dead ends: 285 [2024-10-13 01:31:16,731 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 [2024-10-13 01:31:16,735 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 144 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:16,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 302 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:31:16,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-10-13 01:31:16,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283. [2024-10-13 01:31:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 186 states have (on average 1.4086021505376345) internal successors, (262), 186 states have internal predecessors, (262), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:31:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 448 transitions. [2024-10-13 01:31:16,785 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 448 transitions. Word has length 193 [2024-10-13 01:31:16,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:16,787 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 448 transitions. [2024-10-13 01:31:16,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-10-13 01:31:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 448 transitions. [2024-10-13 01:31:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 01:31:16,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:16,791 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] [2024-10-13 01:31:16,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:31:16,791 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:16,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:16,792 INFO L85 PathProgramCache]: Analyzing trace with hash 262559172, now seen corresponding path program 1 times [2024-10-13 01:31:16,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:16,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209905719] [2024-10-13 01:31:16,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:16,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:16,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:17,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:17,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209905719] [2024-10-13 01:31:17,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209905719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:17,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:17,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 01:31:17,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699397135] [2024-10-13 01:31:17,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:17,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 01:31:17,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:17,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 01:31:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:31:17,066 INFO L87 Difference]: Start difference. First operand 283 states and 448 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-10-13 01:31:17,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:17,288 INFO L93 Difference]: Finished difference Result 502 states and 790 transitions. [2024-10-13 01:31:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 01:31:17,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 193 [2024-10-13 01:31:17,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:17,293 INFO L225 Difference]: With dead ends: 502 [2024-10-13 01:31:17,294 INFO L226 Difference]: Without dead ends: 313 [2024-10-13 01:31:17,297 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 [2024-10-13 01:31:17,299 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 147 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:17,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 522 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:31:17,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-10-13 01:31:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 283. [2024-10-13 01:31:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 186 states have (on average 1.403225806451613) internal successors, (261), 186 states have internal predecessors, (261), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:31:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 447 transitions. [2024-10-13 01:31:17,342 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 447 transitions. Word has length 193 [2024-10-13 01:31:17,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:17,342 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 447 transitions. [2024-10-13 01:31:17,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-10-13 01:31:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 447 transitions. [2024-10-13 01:31:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-13 01:31:17,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:17,345 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] [2024-10-13 01:31:17,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 01:31:17,345 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:17,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1462675448, now seen corresponding path program 1 times [2024-10-13 01:31:17,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:17,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519219340] [2024-10-13 01:31:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:17,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:26,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:26,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:26,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:26,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:26,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:26,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519219340] [2024-10-13 01:31:26,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519219340] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:26,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:26,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:31:26,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318022980] [2024-10-13 01:31:26,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:26,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:31:26,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:26,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:31:26,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:31:26,016 INFO L87 Difference]: Start difference. First operand 283 states and 447 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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) [2024-10-13 01:31:29,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:29,614 INFO L93 Difference]: Finished difference Result 343 states and 523 transitions. [2024-10-13 01:31:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 01:31:29,615 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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 194 [2024-10-13 01:31:29,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:29,618 INFO L225 Difference]: With dead ends: 343 [2024-10-13 01:31:29,618 INFO L226 Difference]: Without dead ends: 341 [2024-10-13 01:31:29,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=231, Invalid=639, Unknown=0, NotChecked=0, Total=870 [2024-10-13 01:31:29,619 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 332 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:29,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 833 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 01:31:29,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-13 01:31:29,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 284. [2024-10-13 01:31:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 187 states have (on average 1.4010695187165776) internal successors, (262), 187 states have internal predecessors, (262), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:31:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 448 transitions. [2024-10-13 01:31:29,650 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 448 transitions. Word has length 194 [2024-10-13 01:31:29,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:29,650 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 448 transitions. [2024-10-13 01:31:29,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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) [2024-10-13 01:31:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 448 transitions. [2024-10-13 01:31:29,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-13 01:31:29,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:29,653 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] [2024-10-13 01:31:29,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 01:31:29,653 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:29,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:29,654 INFO L85 PathProgramCache]: Analyzing trace with hash 193048750, now seen corresponding path program 1 times [2024-10-13 01:31:29,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:29,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433252483] [2024-10-13 01:31:29,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:29,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:29,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:29,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433252483] [2024-10-13 01:31:29,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433252483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:29,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:29,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:31:29,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145038570] [2024-10-13 01:31:29,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:29,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:31:29,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:29,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:31:29,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:31:29,905 INFO L87 Difference]: Start difference. First operand 284 states and 448 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-13 01:31:29,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:29,936 INFO L93 Difference]: Finished difference Result 484 states and 763 transitions. [2024-10-13 01:31:29,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:31:29,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 194 [2024-10-13 01:31:29,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:29,940 INFO L225 Difference]: With dead ends: 484 [2024-10-13 01:31:29,940 INFO L226 Difference]: Without dead ends: 292 [2024-10-13 01:31:29,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:31:29,942 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 6 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:29,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 434 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:31:29,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-13 01:31:29,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 284. [2024-10-13 01:31:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 187 states have (on average 1.3850267379679144) internal successors, (259), 187 states have internal predecessors, (259), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:31:29,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 445 transitions. [2024-10-13 01:31:29,963 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 445 transitions. Word has length 194 [2024-10-13 01:31:29,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:29,964 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 445 transitions. [2024-10-13 01:31:29,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-13 01:31:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 445 transitions. [2024-10-13 01:31:29,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-13 01:31:29,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:29,966 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] [2024-10-13 01:31:29,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 01:31:29,966 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:29,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:29,967 INFO L85 PathProgramCache]: Analyzing trace with hash 250307052, now seen corresponding path program 1 times [2024-10-13 01:31:29,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:29,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359036531] [2024-10-13 01:31:29,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:29,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:33,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359036531] [2024-10-13 01:31:33,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359036531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:33,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:33,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:31:33,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128209735] [2024-10-13 01:31:33,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:33,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:31:33,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:33,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:31:33,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:31:33,391 INFO L87 Difference]: Start difference. First operand 284 states and 445 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:31:34,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:34,873 INFO L93 Difference]: Finished difference Result 521 states and 799 transitions. [2024-10-13 01:31:34,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 01:31:34,874 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 194 [2024-10-13 01:31:34,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:34,877 INFO L225 Difference]: With dead ends: 521 [2024-10-13 01:31:34,877 INFO L226 Difference]: Without dead ends: 332 [2024-10-13 01:31:34,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2024-10-13 01:31:34,879 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 407 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:34,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1011 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:31:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-10-13 01:31:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 285. [2024-10-13 01:31:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 188 states have (on average 1.3829787234042554) internal successors, (260), 188 states have internal predecessors, (260), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:31:34,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 446 transitions. [2024-10-13 01:31:34,907 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 446 transitions. Word has length 194 [2024-10-13 01:31:34,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:34,907 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 446 transitions. [2024-10-13 01:31:34,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 01:31:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 446 transitions. [2024-10-13 01:31:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-13 01:31:34,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:34,910 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] [2024-10-13 01:31:34,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 01:31:34,910 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:34,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1426587473, now seen corresponding path program 1 times [2024-10-13 01:31:34,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:34,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524705710] [2024-10-13 01:31:34,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:34,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:40,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:40,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:40,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524705710] [2024-10-13 01:31:40,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524705710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:40,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:40,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:31:40,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518564436] [2024-10-13 01:31:40,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:40,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:31:40,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:31:40,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:31:40,009 INFO L87 Difference]: Start difference. First operand 285 states and 446 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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) [2024-10-13 01:31:42,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:42,459 INFO L93 Difference]: Finished difference Result 349 states and 519 transitions. [2024-10-13 01:31:42,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 01:31:42,460 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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 194 [2024-10-13 01:31:42,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:42,462 INFO L225 Difference]: With dead ends: 349 [2024-10-13 01:31:42,462 INFO L226 Difference]: Without dead ends: 347 [2024-10-13 01:31:42,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-10-13 01:31:42,466 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 364 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:42,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 864 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 01:31:42,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-13 01:31:42,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 294. [2024-10-13 01:31:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 197 states have (on average 1.380710659898477) internal successors, (272), 197 states have internal predecessors, (272), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:31:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 458 transitions. [2024-10-13 01:31:42,494 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 458 transitions. Word has length 194 [2024-10-13 01:31:42,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:42,495 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 458 transitions. [2024-10-13 01:31:42,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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) [2024-10-13 01:31:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2024-10-13 01:31:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-13 01:31:42,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:42,498 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] [2024-10-13 01:31:42,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 01:31:42,499 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:42,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:42,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2059033197, now seen corresponding path program 1 times [2024-10-13 01:31:42,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:42,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852476756] [2024-10-13 01:31:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:42,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:48,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:48,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852476756] [2024-10-13 01:31:48,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852476756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:48,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:48,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:31:48,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867866558] [2024-10-13 01:31:48,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:48,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:31:48,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:48,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:31:48,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:31:48,870 INFO L87 Difference]: Start difference. First operand 294 states and 458 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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) [2024-10-13 01:31:52,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:52,146 INFO L93 Difference]: Finished difference Result 343 states and 513 transitions. [2024-10-13 01:31:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 01:31:52,147 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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 194 [2024-10-13 01:31:52,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:52,150 INFO L225 Difference]: With dead ends: 343 [2024-10-13 01:31:52,150 INFO L226 Difference]: Without dead ends: 341 [2024-10-13 01:31:52,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2024-10-13 01:31:52,152 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 241 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:52,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 971 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 01:31:52,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-13 01:31:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 294. [2024-10-13 01:31:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 197 states have (on average 1.380710659898477) internal successors, (272), 197 states have internal predecessors, (272), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:31:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 458 transitions. [2024-10-13 01:31:52,180 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 458 transitions. Word has length 194 [2024-10-13 01:31:52,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:52,181 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 458 transitions. [2024-10-13 01:31:52,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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) [2024-10-13 01:31:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2024-10-13 01:31:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 01:31:52,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:52,184 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] [2024-10-13 01:31:52,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 01:31:52,184 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:52,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash -831373918, now seen corresponding path program 1 times [2024-10-13 01:31:52,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:52,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771633953] [2024-10-13 01:31:52,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:52,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:31:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:31:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:31:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:31:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:31:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:31:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:31:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:31:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:31:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:31:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:31:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:31:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:31:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:31:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:31:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:31:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:31:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:31:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:31:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:31:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:31:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:31:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:31:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:31:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:31:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:31:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:31:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:31:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:31:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:31:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:31:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:31:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:31:55,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:31:55,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771633953] [2024-10-13 01:31:55,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771633953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:31:55,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:31:55,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:31:55,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385531697] [2024-10-13 01:31:55,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:31:55,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:31:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:31:55,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:31:55,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:31:55,960 INFO L87 Difference]: Start difference. First operand 294 states and 458 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 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) [2024-10-13 01:31:57,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:31:57,893 INFO L93 Difference]: Finished difference Result 332 states and 500 transitions. [2024-10-13 01:31:57,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 01:31:57,893 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 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 195 [2024-10-13 01:31:57,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:31:57,896 INFO L225 Difference]: With dead ends: 332 [2024-10-13 01:31:57,896 INFO L226 Difference]: Without dead ends: 330 [2024-10-13 01:31:57,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2024-10-13 01:31:57,897 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 305 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:31:57,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 669 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 01:31:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-13 01:31:57,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 291. [2024-10-13 01:31:57,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 194 states have internal predecessors, (268), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:31:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 454 transitions. [2024-10-13 01:31:57,925 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 454 transitions. Word has length 195 [2024-10-13 01:31:57,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:31:57,925 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 454 transitions. [2024-10-13 01:31:57,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 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) [2024-10-13 01:31:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 454 transitions. [2024-10-13 01:31:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 01:31:57,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:31:57,928 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] [2024-10-13 01:31:57,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 01:31:57,928 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:31:57,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:31:57,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1275437059, now seen corresponding path program 1 times [2024-10-13 01:31:57,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:31:57,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374489245] [2024-10-13 01:31:57,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:31:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:31:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:32:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:32:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:32:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:32:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:32:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:32:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:32:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:32:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:32:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:32:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:32:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:32:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:32:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:32:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:32:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:32:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:32:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:32:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:32:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:32:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:32:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:32:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:32:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:32:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:32:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:32:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:32:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:32:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:32:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:32:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:32:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:03,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:32:03,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:32:03,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374489245] [2024-10-13 01:32:03,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374489245] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:32:03,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:32:03,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 01:32:03,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339345150] [2024-10-13 01:32:03,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:32:03,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 01:32:03,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:32:03,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 01:32:03,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2024-10-13 01:32:03,405 INFO L87 Difference]: Start difference. First operand 291 states and 454 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 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) [2024-10-13 01:32:08,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:32:08,043 INFO L93 Difference]: Finished difference Result 344 states and 514 transitions. [2024-10-13 01:32:08,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 01:32:08,044 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 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 195 [2024-10-13 01:32:08,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:32:08,047 INFO L225 Difference]: With dead ends: 344 [2024-10-13 01:32:08,047 INFO L226 Difference]: Without dead ends: 342 [2024-10-13 01:32:08,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=314, Invalid=742, Unknown=0, NotChecked=0, Total=1056 [2024-10-13 01:32:08,048 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 273 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:32:08,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1211 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 01:32:08,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-13 01:32:08,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296. [2024-10-13 01:32:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 199 states have (on average 1.3819095477386936) internal successors, (275), 199 states have internal predecessors, (275), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 01:32:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 461 transitions. [2024-10-13 01:32:08,077 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 461 transitions. Word has length 195 [2024-10-13 01:32:08,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:32:08,078 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 461 transitions. [2024-10-13 01:32:08,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 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) [2024-10-13 01:32:08,078 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 461 transitions. [2024-10-13 01:32:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 01:32:08,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:32:08,080 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] [2024-10-13 01:32:08,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 01:32:08,080 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:32:08,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:32:08,080 INFO L85 PathProgramCache]: Analyzing trace with hash 437485859, now seen corresponding path program 1 times [2024-10-13 01:32:08,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:32:08,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889416699] [2024-10-13 01:32:08,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:32:08,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:32:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:32:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:32:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:32:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:32:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:32:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:32:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:32:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:32:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:32:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:32:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:32:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:32:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:32:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:32:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 01:32:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:32:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 01:32:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:32:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 01:32:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:32:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 01:32:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:32:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 01:32:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:32:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 01:32:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:32:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 01:32:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:32:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 01:32:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:32:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 01:32:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:32:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 01:32:12,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:32:12,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889416699] [2024-10-13 01:32:12,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889416699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:32:12,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:32:12,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 01:32:12,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108119269] [2024-10-13 01:32:12,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:32:12,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 01:32:12,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:32:12,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 01:32:12,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-10-13 01:32:12,738 INFO L87 Difference]: Start difference. First operand 296 states and 461 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 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)