./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.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 1d2525c514f5f41938cb8dbff9fda78c478979aa19fdef1a39087aafe1b8a708 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:53:43,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:53:43,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:53:43,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:53:43,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:53:43,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:53:43,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:53:43,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:53:43,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:53:43,683 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:53:43,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:53:43,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:53:43,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:53:43,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:53:43,687 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:53:43,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:53:43,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:53:43,689 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:53:43,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:53:43,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:53:43,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:53:43,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:53:43,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:53:43,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:53:43,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:53:43,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:53:43,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:53:43,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:53:43,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:53:43,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:53:43,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:53:43,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:53:43,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:53:43,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:53:43,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:53:43,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:53:43,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:53:43,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:53:43,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:53:43,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:53:43,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:53:43,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:53:43,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2525c514f5f41938cb8dbff9fda78c478979aa19fdef1a39087aafe1b8a708 [2024-11-20 04:53:43,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:53:44,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:53:44,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:53:44,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:53:44,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:53:44,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i [2024-11-20 04:53:45,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:53:45,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:53:45,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i [2024-11-20 04:53:45,827 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268018ade/c30a969625c94f6bb6fb21c080506595/FLAG7f186ed8a [2024-11-20 04:53:46,156 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268018ade/c30a969625c94f6bb6fb21c080506595 [2024-11-20 04:53:46,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:53:46,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:53:46,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:53:46,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:53:46,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:53:46,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d67141c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46, skipping insertion in model container [2024-11-20 04:53:46,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:53:46,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i[919,932] [2024-11-20 04:53:46,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:53:46,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:53:46,499 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i[919,932] [2024-11-20 04:53:46,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:53:46,581 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:53:46,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46 WrapperNode [2024-11-20 04:53:46,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:53:46,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:53:46,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:53:46,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:53:46,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,660 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 318 [2024-11-20 04:53:46,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:53:46,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:53:46,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:53:46,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:53:46,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,681 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,711 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]. [2024-11-20 04:53:46,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:53:46,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:53:46,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:53:46,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:53:46,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (1/1) ... [2024-11-20 04:53:46,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:53:46,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:53:46,795 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) [2024-11-20 04:53:46,832 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 [2024-11-20 04:53:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:53:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:53:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:53:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:53:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:53:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:53:47,017 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:53:47,019 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:53:47,611 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-20 04:53:47,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:53:47,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:53:47,634 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:53:47,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:53:47 BoogieIcfgContainer [2024-11-20 04:53:47,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:53:47,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:53:47,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:53:47,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:53:47,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:53:46" (1/3) ... [2024-11-20 04:53:47,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d236d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:53:47, skipping insertion in model container [2024-11-20 04:53:47,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:46" (2/3) ... [2024-11-20 04:53:47,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d236d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:53:47, skipping insertion in model container [2024-11-20 04:53:47,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:53:47" (3/3) ... [2024-11-20 04:53:47,645 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i [2024-11-20 04:53:47,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:53:47,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:53:47,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:53:47,743 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;@619f9c87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:53:47,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:53:47,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 92 states have (on average 1.434782608695652) internal successors, (132), 93 states have internal predecessors, (132), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 04:53:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-20 04:53:47,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:53:47,773 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:53:47,774 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:53:47,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:53:47,779 INFO L85 PathProgramCache]: Analyzing trace with hash 591584545, now seen corresponding path program 1 times [2024-11-20 04:53:47,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:53:47,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052952449] [2024-11-20 04:53:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:53:47,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:53:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:53:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:53:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:53:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:53:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:53:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:53:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:53:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:53:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:53:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:53:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:53:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:53:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:53:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:53:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:53:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:53:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:53:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:53:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:53:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:53:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:53:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:53:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:53:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:53:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:53:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:53:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:53:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:53:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:53:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:53:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:53:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:53:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:53:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:53:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:53:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:53:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:53:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:53:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:53:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:53:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:53:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 04:53:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 04:53:48,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:53:48,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052952449] [2024-11-20 04:53:48,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052952449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:53:48,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:53:48,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:53:48,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12176156] [2024-11-20 04:53:48,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:53:48,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:53:48,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:53:48,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:53:48,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:53:48,601 INFO L87 Difference]: Start difference. First operand has 137 states, 92 states have (on average 1.434782608695652) internal successors, (132), 93 states have internal predecessors, (132), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 04:53:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:53:48,658 INFO L93 Difference]: Finished difference Result 267 states and 468 transitions. [2024-11-20 04:53:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:53:48,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 261 [2024-11-20 04:53:48,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:53:48,672 INFO L225 Difference]: With dead ends: 267 [2024-11-20 04:53:48,672 INFO L226 Difference]: Without dead ends: 133 [2024-11-20 04:53:48,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:53:48,683 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:53:48,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:53:48,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-20 04:53:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-20 04:53:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 04:53:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 209 transitions. [2024-11-20 04:53:48,765 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 209 transitions. Word has length 261 [2024-11-20 04:53:48,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:53:48,768 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 209 transitions. [2024-11-20 04:53:48,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 04:53:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 209 transitions. [2024-11-20 04:53:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-20 04:53:48,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:53:48,782 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:53:48,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:53:48,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:53:48,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:53:48,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2117699433, now seen corresponding path program 1 times [2024-11-20 04:53:48,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:53:48,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807632080] [2024-11-20 04:53:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:53:48,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:53:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:53:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:53:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:53:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:53:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:53:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:53:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:53:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:53:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:53:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:53:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:53:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:53:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:53:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:53:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:53:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:53:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:53:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:53:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:53:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:53:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:53:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:53:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:53:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:53:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:53:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:53:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:53:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:53:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:53:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:53:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:53:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:53:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:53:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:53:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:53:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:53:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:53:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:53:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:53:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:53:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:53:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 04:53:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 04:53:49,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:53:49,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807632080] [2024-11-20 04:53:49,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807632080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:53:49,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:53:49,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 04:53:49,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931731307] [2024-11-20 04:53:49,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:53:49,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 04:53:49,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:53:49,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 04:53:49,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:53:49,766 INFO L87 Difference]: Start difference. First operand 133 states and 209 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:53:50,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:53:50,076 INFO L93 Difference]: Finished difference Result 394 states and 622 transitions. [2024-11-20 04:53:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 04:53:50,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-20 04:53:50,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:53:50,081 INFO L225 Difference]: With dead ends: 394 [2024-11-20 04:53:50,081 INFO L226 Difference]: Without dead ends: 264 [2024-11-20 04:53:50,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:53:50,084 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 131 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:53:50,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 598 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:53:50,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-20 04:53:50,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 205. [2024-11-20 04:53:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 118 states have (on average 1.305084745762712) internal successors, (154), 118 states have internal predecessors, (154), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-20 04:53:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 322 transitions. [2024-11-20 04:53:50,135 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 322 transitions. Word has length 261 [2024-11-20 04:53:50,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:53:50,137 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 322 transitions. [2024-11-20 04:53:50,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:53:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 322 transitions. [2024-11-20 04:53:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-20 04:53:50,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:53:50,145 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:53:50,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:53:50,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:53:50,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:53:50,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1662415630, now seen corresponding path program 1 times [2024-11-20 04:53:50,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:53:50,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863531043] [2024-11-20 04:53:50,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:53:50,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:53:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:54:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:54:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:54:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:54:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:54:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:54:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:54:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:54:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:54:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:54:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:54:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:54:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:54:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:54:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:54:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:54:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:54:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:54:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:54:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:54:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:54:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:54:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:54:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:54:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:54:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 04:54:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:54:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:54:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:54:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:54:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:55,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:54:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:54:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:54:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:54:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:54:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:54:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:54:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:54:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:54:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:54:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:54:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 04:54:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:54:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 04:54:56,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:54:56,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863531043] [2024-11-20 04:54:56,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863531043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:54:56,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:54:56,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-20 04:54:56,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543584442] [2024-11-20 04:54:56,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:54:56,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 04:54:56,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:54:56,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 04:54:56,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-20 04:54:56,057 INFO L87 Difference]: Start difference. First operand 205 states and 322 transitions. Second operand has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:54:59,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:54:59,820 INFO L93 Difference]: Finished difference Result 642 states and 988 transitions. [2024-11-20 04:54:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 04:54:59,821 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 262 [2024-11-20 04:54:59,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:54:59,827 INFO L225 Difference]: With dead ends: 642 [2024-11-20 04:54:59,827 INFO L226 Difference]: Without dead ends: 512 [2024-11-20 04:54:59,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2024-11-20 04:54:59,832 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 743 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:54:59,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 1355 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-20 04:54:59,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-20 04:54:59,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 363. [2024-11-20 04:54:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 232 states have (on average 1.3448275862068966) internal successors, (312), 233 states have internal predecessors, (312), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-20 04:54:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 564 transitions. [2024-11-20 04:54:59,880 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 564 transitions. Word has length 262 [2024-11-20 04:54:59,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:54:59,881 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 564 transitions. [2024-11-20 04:54:59,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:54:59,881 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 564 transitions. [2024-11-20 04:54:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-20 04:54:59,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:54:59,887 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:54:59,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:54:59,888 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:54:59,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:54:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1484426226, now seen corresponding path program 1 times [2024-11-20 04:54:59,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:54:59,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658566016] [2024-11-20 04:54:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:54:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:55:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat