./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.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 341cfc181a184dfd888895046689be86cf5a3b257f2774b185252ff7e72de492 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 04:20:07,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 04:20:07,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 04:20:07,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 04:20:07,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 04:20:07,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 04:20:07,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 04:20:07,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 04:20:07,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 04:20:07,878 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 04:20:07,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 04:20:07,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 04:20:07,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 04:20:07,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 04:20:07,880 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 04:20:07,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 04:20:07,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 04:20:07,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 04:20:07,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 04:20:07,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 04:20:07,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 04:20:07,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 04:20:07,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 04:20:07,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 04:20:07,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 04:20:07,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 04:20:07,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 04:20:07,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 04:20:07,886 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 04:20:07,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 04:20:07,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 04:20:07,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 04:20:07,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:20:07,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 04:20:07,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 04:20:07,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 04:20:07,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 04:20:07,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 04:20:07,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 04:20:07,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 04:20:07,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 04:20:07,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 04:20:07,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 341cfc181a184dfd888895046689be86cf5a3b257f2774b185252ff7e72de492 [2024-11-10 04:20:08,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 04:20:08,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 04:20:08,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 04:20:08,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 04:20:08,174 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 04:20:08,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2024-11-10 04:20:09,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 04:20:09,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 04:20:09,955 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2024-11-10 04:20:09,968 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a8f3b168/85953d311cf24dc2ae46c90e9783c898/FLAGef0abcce6 [2024-11-10 04:20:09,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a8f3b168/85953d311cf24dc2ae46c90e9783c898 [2024-11-10 04:20:09,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 04:20:09,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 04:20:09,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 04:20:09,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 04:20:10,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 04:20:10,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:20:09" (1/1) ... [2024-11-10 04:20:10,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127609bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10, skipping insertion in model container [2024-11-10 04:20:10,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:20:09" (1/1) ... [2024-11-10 04:20:10,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 04:20:10,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i[916,929] [2024-11-10 04:20:10,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:20:10,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 04:20:10,415 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i[916,929] [2024-11-10 04:20:10,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:20:10,489 INFO L204 MainTranslator]: Completed translation [2024-11-10 04:20:10,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10 WrapperNode [2024-11-10 04:20:10,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 04:20:10,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 04:20:10,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 04:20:10,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 04:20:10,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,554 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2024-11-10 04:20:10,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 04:20:10,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 04:20:10,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 04:20:10,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 04:20:10,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,610 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 04:20:10,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,634 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 04:20:10,663 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 04:20:10,663 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 04:20:10,663 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 04:20:10,664 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (1/1) ... [2024-11-10 04:20:10,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:20:10,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:20:10,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 04:20:10,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 04:20:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 04:20:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 04:20:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 04:20:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 04:20:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 04:20:10,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 04:20:10,864 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 04:20:10,866 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 04:20:11,433 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-10 04:20:11,434 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 04:20:11,461 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 04:20:11,461 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 04:20:11,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:20:11 BoogieIcfgContainer [2024-11-10 04:20:11,462 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 04:20:11,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 04:20:11,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 04:20:11,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 04:20:11,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:20:09" (1/3) ... [2024-11-10 04:20:11,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3ba1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:20:11, skipping insertion in model container [2024-11-10 04:20:11,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:20:10" (2/3) ... [2024-11-10 04:20:11,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3ba1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:20:11, skipping insertion in model container [2024-11-10 04:20:11,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:20:11" (3/3) ... [2024-11-10 04:20:11,470 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2024-11-10 04:20:11,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 04:20:11,482 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 04:20:11,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 04:20:11,558 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;@66ed41dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 04:20:11,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 04:20:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 135 states have (on average 1.5629629629629629) internal successors, (211), 136 states have internal predecessors, (211), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 04:20:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-10 04:20:11,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:11,589 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:11,590 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:11,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:11,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1211706802, now seen corresponding path program 1 times [2024-11-10 04:20:11,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:11,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991663601] [2024-11-10 04:20:11,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:11,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:20:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:20:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:20:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:20:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:20:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:20:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:20:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:20:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 04:20:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:20:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 04:20:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:20:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:20:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:20:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:20:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:20:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:20:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:20:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:20:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:20:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:20:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:20:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:20:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:20:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:20:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:20:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:20:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:20:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 04:20:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:20:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 04:20:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:20:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 04:20:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 04:20:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 04:20:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:20:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 04:20:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:20:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 04:20:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:20:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:20:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 04:20:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 04:20:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 04:20:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 04:20:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 04:20:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 04:20:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 04:20:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 04:20:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 04:20:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 04:20:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 04:20:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 04:20:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-10 04:20:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-10 04:20:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-10 04:20:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-10 04:20:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 04:20:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-10 04:20:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 04:20:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 04:20:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 04:20:12,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:12,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991663601] [2024-11-10 04:20:12,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991663601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:20:12,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:20:12,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 04:20:12,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973973462] [2024-11-10 04:20:12,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:20:12,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 04:20:12,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:12,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 04:20:12,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:20:12,372 INFO L87 Difference]: Start difference. First operand has 199 states, 135 states have (on average 1.5629629629629629) internal successors, (211), 136 states have internal predecessors, (211), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-10 04:20:12,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:12,437 INFO L93 Difference]: Finished difference Result 390 states and 720 transitions. [2024-11-10 04:20:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 04:20:12,440 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) Word has length 392 [2024-11-10 04:20:12,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:12,450 INFO L225 Difference]: With dead ends: 390 [2024-11-10 04:20:12,450 INFO L226 Difference]: Without dead ends: 194 [2024-11-10 04:20:12,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:20:12,463 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:12,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:20:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-10 04:20:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-10 04:20:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 131 states have internal predecessors, (202), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 04:20:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 324 transitions. [2024-11-10 04:20:12,525 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 324 transitions. Word has length 392 [2024-11-10 04:20:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:12,526 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 324 transitions. [2024-11-10 04:20:12,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-10 04:20:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 324 transitions. [2024-11-10 04:20:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-10 04:20:12,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:12,535 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:12,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 04:20:12,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:12,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:12,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2074557101, now seen corresponding path program 1 times [2024-11-10 04:20:12,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:12,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209938564] [2024-11-10 04:20:12,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:12,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:20:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:20:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:20:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:20:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:20:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:20:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:20:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:20:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 04:20:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:20:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 04:20:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:20:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:20:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:20:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:20:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:20:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:20:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:20:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:20:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:20:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:20:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:20:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:20:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:20:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:20:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:20:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:20:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:20:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 04:20:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:20:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 04:20:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:20:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 04:20:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 04:20:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 04:20:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:20:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 04:20:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:20:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 04:20:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:20:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:20:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 04:20:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 04:20:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 04:20:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 04:20:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 04:20:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 04:20:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 04:20:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 04:20:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 04:20:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 04:20:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 04:20:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 04:20:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-10 04:20:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-10 04:20:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-10 04:20:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-10 04:20:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 04:20:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-10 04:20:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 04:20:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 04:20:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 04:20:13,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:13,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209938564] [2024-11-10 04:20:13,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209938564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:20:13,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:20:13,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:20:13,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483757499] [2024-11-10 04:20:13,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:20:13,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:20:13,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:13,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:20:13,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:20:13,016 INFO L87 Difference]: Start difference. First operand 194 states and 324 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:13,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:13,105 INFO L93 Difference]: Finished difference Result 500 states and 839 transitions. [2024-11-10 04:20:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:20:13,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 392 [2024-11-10 04:20:13,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:13,112 INFO L225 Difference]: With dead ends: 500 [2024-11-10 04:20:13,115 INFO L226 Difference]: Without dead ends: 309 [2024-11-10 04:20:13,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:20:13,117 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 168 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:13,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 648 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 04:20:13,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-10 04:20:13,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 305. [2024-11-10 04:20:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 219 states have (on average 1.5753424657534247) internal successors, (345), 220 states have internal predecessors, (345), 83 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-10 04:20:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 511 transitions. [2024-11-10 04:20:13,159 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 511 transitions. Word has length 392 [2024-11-10 04:20:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:13,161 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 511 transitions. [2024-11-10 04:20:13,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 511 transitions. [2024-11-10 04:20:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-10 04:20:13,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:13,165 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:13,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 04:20:13,166 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:13,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:13,166 INFO L85 PathProgramCache]: Analyzing trace with hash -743027251, now seen corresponding path program 1 times [2024-11-10 04:20:13,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:13,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700867426] [2024-11-10 04:20:13,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:13,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:20:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:20:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:20:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:20:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:20:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:20:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:20:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:20:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 04:20:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:20:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 04:20:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:20:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:20:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:20:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:20:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:20:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:20:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:20:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:20:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:20:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:20:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:20:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:20:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:20:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:20:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:20:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:20:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:20:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 04:20:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:20:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 04:20:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:20:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 04:20:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 04:20:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 04:20:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:20:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 04:20:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:20:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 04:20:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:20:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:20:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 04:20:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 04:20:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 04:20:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 04:20:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 04:20:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 04:20:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 04:20:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 04:20:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 04:20:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 04:20:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 04:20:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 04:20:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-10 04:20:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-10 04:20:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-10 04:20:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-10 04:20:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 04:20:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-10 04:20:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 04:20:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 04:20:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 04:20:13,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:13,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700867426] [2024-11-10 04:20:13,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700867426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:20:13,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:20:13,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:20:13,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94861916] [2024-11-10 04:20:13,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:20:13,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:20:13,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:13,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:20:13,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:20:13,538 INFO L87 Difference]: Start difference. First operand 305 states and 511 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:13,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:13,806 INFO L93 Difference]: Finished difference Result 1107 states and 1862 transitions. [2024-11-10 04:20:13,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:20:13,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 392 [2024-11-10 04:20:13,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:13,817 INFO L225 Difference]: With dead ends: 1107 [2024-11-10 04:20:13,817 INFO L226 Difference]: Without dead ends: 805 [2024-11-10 04:20:13,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:20:13,819 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 385 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:13,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 984 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 04:20:13,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-10 04:20:13,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 796. [2024-11-10 04:20:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 599 states have (on average 1.5993322203672788) internal successors, (958), 603 states have internal predecessors, (958), 190 states have call successors, (190), 6 states have call predecessors, (190), 6 states have return successors, (190), 186 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-10 04:20:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1338 transitions. [2024-11-10 04:20:13,932 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1338 transitions. Word has length 392 [2024-11-10 04:20:13,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:13,935 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1338 transitions. [2024-11-10 04:20:13,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:13,936 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1338 transitions. [2024-11-10 04:20:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-10 04:20:13,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:13,941 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:13,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 04:20:13,941 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:13,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:13,942 INFO L85 PathProgramCache]: Analyzing trace with hash 209623174, now seen corresponding path program 1 times [2024-11-10 04:20:13,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:13,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065750811] [2024-11-10 04:20:13,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:20:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:20:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:20:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:20:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:20:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:20:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:20:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:20:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 04:20:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:20:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 04:20:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:20:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:20:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:20:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:20:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:20:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:20:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:20:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:20:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:20:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:20:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:20:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:20:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:20:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:20:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:20:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:20:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:20:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 04:20:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:20:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 04:20:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:20:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 04:20:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 04:20:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 04:20:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:20:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 04:20:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:20:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 04:20:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:20:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:20:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 04:20:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 04:20:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 04:20:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 04:20:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 04:20:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 04:20:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 04:20:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 04:20:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 04:20:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 04:20:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 04:20:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 04:20:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-10 04:20:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-10 04:20:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-10 04:20:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-10 04:20:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 04:20:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-10 04:20:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 04:20:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 04:20:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 04:20:14,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065750811] [2024-11-10 04:20:14,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065750811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:20:14,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:20:14,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:20:14,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488705649] [2024-11-10 04:20:14,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:20:14,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:20:14,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:14,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:20:14,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:20:14,348 INFO L87 Difference]: Start difference. First operand 796 states and 1338 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:14,438 INFO L93 Difference]: Finished difference Result 2382 states and 4008 transitions. [2024-11-10 04:20:14,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:20:14,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 393 [2024-11-10 04:20:14,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:14,486 INFO L225 Difference]: With dead ends: 2382 [2024-11-10 04:20:14,487 INFO L226 Difference]: Without dead ends: 1589 [2024-11-10 04:20:14,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:20:14,489 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 309 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:14,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 837 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:20:14,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2024-11-10 04:20:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1586. [2024-11-10 04:20:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1193 states have (on average 1.5968147527242247) internal successors, (1905), 1201 states have internal predecessors, (1905), 380 states have call successors, (380), 12 states have call predecessors, (380), 12 states have return successors, (380), 372 states have call predecessors, (380), 380 states have call successors, (380) [2024-11-10 04:20:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2665 transitions. [2024-11-10 04:20:14,560 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2665 transitions. Word has length 393 [2024-11-10 04:20:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:14,561 INFO L471 AbstractCegarLoop]: Abstraction has 1586 states and 2665 transitions. [2024-11-10 04:20:14,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2665 transitions. [2024-11-10 04:20:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2024-11-10 04:20:14,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:14,565 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:14,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 04:20:14,565 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:14,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:14,566 INFO L85 PathProgramCache]: Analyzing trace with hash 315789685, now seen corresponding path program 1 times [2024-11-10 04:20:14,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:14,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021824551] [2024-11-10 04:20:14,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:14,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:20:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:20:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:20:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:20:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:20:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:20:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:20:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:20:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 04:20:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:20:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 04:20:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:20:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:20:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:20:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:20:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:20:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:20:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:20:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:20:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:20:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:20:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:20:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:20:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:20:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:20:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:20:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:20:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:20:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 04:20:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:20:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 04:20:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:20:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 04:20:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 04:20:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 04:20:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:20:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 04:20:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:20:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 04:20:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:20:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:20:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 04:20:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 04:20:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 04:20:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 04:20:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 04:20:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 04:20:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 04:20:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 04:20:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 04:20:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 04:20:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 04:20:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 04:20:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-10 04:20:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-10 04:20:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-10 04:20:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-10 04:20:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 04:20:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-10 04:20:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 04:20:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 04:20:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 04:20:14,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:14,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021824551] [2024-11-10 04:20:14,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021824551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:20:14,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:20:14,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:20:14,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835618625] [2024-11-10 04:20:14,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:20:14,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:20:14,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:14,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:20:14,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:20:14,958 INFO L87 Difference]: Start difference. First operand 1586 states and 2665 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:15,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:15,059 INFO L93 Difference]: Finished difference Result 4740 states and 7965 transitions. [2024-11-10 04:20:15,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:20:15,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 394 [2024-11-10 04:20:15,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:15,073 INFO L225 Difference]: With dead ends: 4740 [2024-11-10 04:20:15,073 INFO L226 Difference]: Without dead ends: 3157 [2024-11-10 04:20:15,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:20:15,078 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 173 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:15,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 621 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:20:15,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3157 states. [2024-11-10 04:20:15,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3157 to 3130. [2024-11-10 04:20:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3130 states, 2345 states have (on average 1.576545842217484) internal successors, (3697), 2361 states have internal predecessors, (3697), 760 states have call successors, (760), 24 states have call predecessors, (760), 24 states have return successors, (760), 744 states have call predecessors, (760), 760 states have call successors, (760) [2024-11-10 04:20:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 5217 transitions. [2024-11-10 04:20:15,252 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 5217 transitions. Word has length 394 [2024-11-10 04:20:15,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:15,252 INFO L471 AbstractCegarLoop]: Abstraction has 3130 states and 5217 transitions. [2024-11-10 04:20:15,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 5217 transitions. [2024-11-10 04:20:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2024-11-10 04:20:15,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:15,255 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:15,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 04:20:15,256 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:15,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1289180819, now seen corresponding path program 1 times [2024-11-10 04:20:15,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:15,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260425968] [2024-11-10 04:20:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:15,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:20:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:20:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:20:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:20:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:20:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:20:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:20:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:20:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 04:20:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:20:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 04:20:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:20:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:20:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:20:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:20:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:20:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:20:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:20:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:20:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:20:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:20:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:20:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:20:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:20:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:20:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:20:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:20:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:20:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 04:20:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:20:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 04:20:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:20:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 04:20:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 04:20:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 04:20:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:20:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 04:20:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:20:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 04:20:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:20:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:20:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 04:20:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 04:20:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 04:20:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 04:20:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 04:20:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 04:20:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 04:20:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 04:20:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 04:20:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 04:20:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 04:20:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 04:20:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-10 04:20:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-10 04:20:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-10 04:20:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-10 04:20:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 04:20:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-10 04:20:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 04:20:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 04:20:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 04:20:15,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:15,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260425968] [2024-11-10 04:20:15,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260425968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:20:15,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:20:15,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 04:20:15,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24697948] [2024-11-10 04:20:15,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:20:15,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 04:20:15,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:15,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 04:20:15,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 04:20:15,598 INFO L87 Difference]: Start difference. First operand 3130 states and 5217 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:15,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:15,847 INFO L93 Difference]: Finished difference Result 7568 states and 12649 transitions. [2024-11-10 04:20:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 04:20:15,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 394 [2024-11-10 04:20:15,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:15,877 INFO L225 Difference]: With dead ends: 7568 [2024-11-10 04:20:15,877 INFO L226 Difference]: Without dead ends: 5609 [2024-11-10 04:20:15,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 04:20:15,889 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 199 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:15,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 1427 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 04:20:15,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5609 states. [2024-11-10 04:20:16,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5609 to 5590. [2024-11-10 04:20:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5590 states, 4429 states have (on average 1.6069090088055995) internal successors, (7117), 4469 states have internal predecessors, (7117), 1112 states have call successors, (1112), 48 states have call predecessors, (1112), 48 states have return successors, (1112), 1072 states have call predecessors, (1112), 1112 states have call successors, (1112) [2024-11-10 04:20:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5590 states to 5590 states and 9341 transitions. [2024-11-10 04:20:16,148 INFO L78 Accepts]: Start accepts. Automaton has 5590 states and 9341 transitions. Word has length 394 [2024-11-10 04:20:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:16,149 INFO L471 AbstractCegarLoop]: Abstraction has 5590 states and 9341 transitions. [2024-11-10 04:20:16,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5590 states and 9341 transitions. [2024-11-10 04:20:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2024-11-10 04:20:16,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:16,154 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:16,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 04:20:16,154 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:16,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:16,154 INFO L85 PathProgramCache]: Analyzing trace with hash -2036205454, now seen corresponding path program 1 times [2024-11-10 04:20:16,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:16,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799965810] [2024-11-10 04:20:16,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:16,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:20:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:20:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:20:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:20:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:20:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:20:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:20:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:20:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 04:20:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:20:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 04:20:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:20:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:20:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:20:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:20:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:20:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:20:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:20:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:20:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:20:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:20:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:20:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:20:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:20:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:20:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:20:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:20:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:20:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 04:20:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:20:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 04:20:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:20:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 04:20:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 04:20:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 04:20:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:20:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 04:20:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:20:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 04:20:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:20:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:20:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 04:20:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 04:20:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 04:20:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 04:20:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 04:20:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 04:20:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 04:20:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 04:20:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 04:20:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 04:20:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 04:20:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 04:20:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-10 04:20:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-10 04:20:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-10 04:20:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-10 04:20:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 04:20:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-10 04:20:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 04:20:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 04:20:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-10 04:20:16,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:16,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799965810] [2024-11-10 04:20:16,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799965810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:20:16,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:20:16,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:20:16,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143607691] [2024-11-10 04:20:16,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:20:16,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:20:16,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:16,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:20:16,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:20:16,787 INFO L87 Difference]: Start difference. First operand 5590 states and 9341 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:17,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:17,104 INFO L93 Difference]: Finished difference Result 14342 states and 23954 transitions. [2024-11-10 04:20:17,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:20:17,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 394 [2024-11-10 04:20:17,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:17,148 INFO L225 Difference]: With dead ends: 14342 [2024-11-10 04:20:17,149 INFO L226 Difference]: Without dead ends: 8755 [2024-11-10 04:20:17,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:20:17,169 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 207 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:17,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 741 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:20:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8755 states. [2024-11-10 04:20:17,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8755 to 8752. [2024-11-10 04:20:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8752 states, 6790 states have (on average 1.5926362297496317) internal successors, (10814), 6847 states have internal predecessors, (10814), 1888 states have call successors, (1888), 73 states have call predecessors, (1888), 73 states have return successors, (1888), 1831 states have call predecessors, (1888), 1888 states have call successors, (1888) [2024-11-10 04:20:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8752 states to 8752 states and 14590 transitions. [2024-11-10 04:20:17,682 INFO L78 Accepts]: Start accepts. Automaton has 8752 states and 14590 transitions. Word has length 394 [2024-11-10 04:20:17,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:17,683 INFO L471 AbstractCegarLoop]: Abstraction has 8752 states and 14590 transitions. [2024-11-10 04:20:17,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-10 04:20:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 8752 states and 14590 transitions. [2024-11-10 04:20:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-10 04:20:17,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:17,691 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:17,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 04:20:17,692 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:17,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:17,692 INFO L85 PathProgramCache]: Analyzing trace with hash -264378845, now seen corresponding path program 1 times [2024-11-10 04:20:17,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:17,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922653797] [2024-11-10 04:20:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:17,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:20:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:20:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 04:20:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:20:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:20:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 04:20:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:20:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:20:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 04:20:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:20:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 04:20:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:20:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:20:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:20:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:20:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:20:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:20:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:20:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:20:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:20:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:20:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:20:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:20:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:20:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:20:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:20:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:20:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:20:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 04:20:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:20:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 04:20:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:20:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 04:20:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 04:20:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 04:20:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:20:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 04:20:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:20:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 04:20:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:20:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:20:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 04:20:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 04:20:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 04:20:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 04:20:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 04:20:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 04:20:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 04:20:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 04:20:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 04:20:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 04:20:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 04:20:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 04:20:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-10 04:20:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-10 04:20:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-10 04:20:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-10 04:20:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 04:20:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-10 04:20:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-10 04:20:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-10 04:20:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 114 proven. 66 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-10 04:20:18,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:18,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922653797] [2024-11-10 04:20:18,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922653797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 04:20:18,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295331394] [2024-11-10 04:20:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:18,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:20:18,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:20:18,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 04:20:18,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 04:20:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:18,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 04:20:18,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 04:20:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3708 proven. 84 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked. [2024-11-10 04:20:19,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 04:20:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 96 proven. 84 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-10 04:20:19,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295331394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 04:20:19,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 04:20:19,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-10 04:20:19,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856489549] [2024-11-10 04:20:19,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 04:20:19,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 04:20:19,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:19,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 04:20:19,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-10 04:20:19,678 INFO L87 Difference]: Start difference. First operand 8752 states and 14590 transitions. Second operand has 14 states, 14 states have (on average 16.071428571428573) internal successors, (225), 14 states have internal predecessors, (225), 5 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (151), 5 states have call predecessors, (151), 5 states have call successors, (151) [2024-11-10 04:20:21,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:21,131 INFO L93 Difference]: Finished difference Result 22051 states and 35927 transitions. [2024-11-10 04:20:21,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 04:20:21,133 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.071428571428573) internal successors, (225), 14 states have internal predecessors, (225), 5 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (151), 5 states have call predecessors, (151), 5 states have call successors, (151) Word has length 395 [2024-11-10 04:20:21,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:21,188 INFO L225 Difference]: With dead ends: 22051 [2024-11-10 04:20:21,188 INFO L226 Difference]: Without dead ends: 13332 [2024-11-10 04:20:21,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 930 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=516, Unknown=0, NotChecked=0, Total=756 [2024-11-10 04:20:21,217 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 529 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:21,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1137 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 04:20:21,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13332 states. [2024-11-10 04:20:22,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13332 to 13002. [2024-11-10 04:20:22,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13002 states, 9728 states have (on average 1.4839638157894737) internal successors, (14436), 9857 states have internal predecessors, (14436), 3094 states have call successors, (3094), 179 states have call predecessors, (3094), 179 states have return successors, (3094), 2965 states have call predecessors, (3094), 3094 states have call successors, (3094) [2024-11-10 04:20:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13002 states to 13002 states and 20624 transitions. [2024-11-10 04:20:22,153 INFO L78 Accepts]: Start accepts. Automaton has 13002 states and 20624 transitions. Word has length 395 [2024-11-10 04:20:22,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:22,154 INFO L471 AbstractCegarLoop]: Abstraction has 13002 states and 20624 transitions. [2024-11-10 04:20:22,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.071428571428573) internal successors, (225), 14 states have internal predecessors, (225), 5 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (151), 5 states have call predecessors, (151), 5 states have call successors, (151) [2024-11-10 04:20:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 13002 states and 20624 transitions. [2024-11-10 04:20:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2024-11-10 04:20:22,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:22,164 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:22,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 04:20:22,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:20:22,366 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:22,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:22,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1873637086, now seen corresponding path program 1 times [2024-11-10 04:20:22,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:22,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214208992] [2024-11-10 04:20:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 04:20:22,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [474072464] [2024-11-10 04:20:22,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:22,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:20:22,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:20:22,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 04:20:22,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 04:20:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:22,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 04:20:22,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 04:20:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3720 proven. 90 refuted. 0 times theorem prover too weak. 3510 trivial. 0 not checked. [2024-11-10 04:20:23,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 04:20:23,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:20:23,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214208992] [2024-11-10 04:20:23,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 04:20:23,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474072464] [2024-11-10 04:20:23,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474072464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 04:20:23,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 04:20:23,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 04:20:23,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821784876] [2024-11-10 04:20:23,448 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 04:20:23,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 04:20:23,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:20:23,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 04:20:23,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 04:20:23,449 INFO L87 Difference]: Start difference. First operand 13002 states and 20624 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-10 04:20:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:20:25,351 INFO L93 Difference]: Finished difference Result 36226 states and 56713 transitions. [2024-11-10 04:20:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 04:20:25,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 397 [2024-11-10 04:20:25,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:20:25,441 INFO L225 Difference]: With dead ends: 36226 [2024-11-10 04:20:25,442 INFO L226 Difference]: Without dead ends: 23299 [2024-11-10 04:20:25,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-10 04:20:25,481 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 315 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 04:20:25,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 856 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 04:20:25,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23299 states. [2024-11-10 04:20:26,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23299 to 22698. [2024-11-10 04:20:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22698 states, 16703 states have (on average 1.4499790456804167) internal successors, (24219), 16976 states have internal predecessors, (24219), 5654 states have call successors, (5654), 340 states have call predecessors, (5654), 340 states have return successors, (5654), 5381 states have call predecessors, (5654), 5654 states have call successors, (5654) [2024-11-10 04:20:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22698 states to 22698 states and 35527 transitions. [2024-11-10 04:20:26,870 INFO L78 Accepts]: Start accepts. Automaton has 22698 states and 35527 transitions. Word has length 397 [2024-11-10 04:20:26,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:20:26,871 INFO L471 AbstractCegarLoop]: Abstraction has 22698 states and 35527 transitions. [2024-11-10 04:20:26,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-10 04:20:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 22698 states and 35527 transitions. [2024-11-10 04:20:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2024-11-10 04:20:26,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:20:26,886 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 04:20:26,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 04:20:27,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-10 04:20:27,090 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:20:27,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:20:27,091 INFO L85 PathProgramCache]: Analyzing trace with hash 237653283, now seen corresponding path program 1 times [2024-11-10 04:20:27,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:20:27,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591236534] [2024-11-10 04:20:27,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:27,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:20:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 04:20:27,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081575232] [2024-11-10 04:20:27,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:20:27,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:20:27,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:20:27,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 04:20:27,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 04:20:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:20:27,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-10 04:20:27,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 04:20:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 5143 proven. 567 refuted. 0 times theorem prover too weak. 1610 trivial. 0 not checked. [2024-11-10 04:20:38,997 INFO L311 TraceCheckSpWp]: Computing backward predicates...