./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_floatingpointinfluence_no-floats_file-6.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 39503444fac790cc7ef077fbcc4f712a5a3d8e4f2da830986fe4863c2c197175 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:51:10,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:51:10,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:51:10,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:51:10,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:51:10,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:51:10,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:51:10,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:51:10,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:51:10,769 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:51:10,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:51:10,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:51:10,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:51:10,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:51:10,773 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:51:10,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:51:10,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:51:10,774 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:51:10,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:51:10,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:51:10,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:51:10,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:51:10,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:51:10,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:51:10,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:51:10,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:51:10,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:51:10,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:51:10,777 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:51:10,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:51:10,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:51:10,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:51:10,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:51:10,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:51:10,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:51:10,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:51:10,780 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:51:10,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:51:10,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:51:10,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:51:10,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:51:10,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:51:10,782 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39503444fac790cc7ef077fbcc4f712a5a3d8e4f2da830986fe4863c2c197175 [2024-11-16 15:51:11,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:51:11,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:51:11,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:51:11,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:51:11,058 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:51:11,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i [2024-11-16 15:51:12,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:51:12,791 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:51:12,792 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i [2024-11-16 15:51:12,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a43d3a7f/cfe11fd0524b452699c541532d8b2110/FLAG787b97136 [2024-11-16 15:51:12,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a43d3a7f/cfe11fd0524b452699c541532d8b2110 [2024-11-16 15:51:12,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:51:12,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:51:12,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:51:12,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:51:12,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:51:12,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:51:12" (1/1) ... [2024-11-16 15:51:12,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc646bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:12, skipping insertion in model container [2024-11-16 15:51:12,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:51:12" (1/1) ... [2024-11-16 15:51:12,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:51:13,070 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_floatingpointinfluence_no-floats_file-6.i[915,928] [2024-11-16 15:51:13,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:51:13,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:51:13,158 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_floatingpointinfluence_no-floats_file-6.i[915,928] [2024-11-16 15:51:13,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:51:13,215 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:51:13,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13 WrapperNode [2024-11-16 15:51:13,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:51:13,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:51:13,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:51:13,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:51:13,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,286 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-11-16 15:51:13,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:51:13,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:51:13,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:51:13,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:51:13,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,302 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,318 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]. [2024-11-16 15:51:13,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,324 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:51:13,334 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:51:13,335 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:51:13,335 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:51:13,336 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (1/1) ... [2024-11-16 15:51:13,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:51:13,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:51:13,378 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) [2024-11-16 15:51:13,381 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 [2024-11-16 15:51:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:51:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:51:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:51:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:51:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:51:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:51:13,547 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:51:13,549 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:51:13,956 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-16 15:51:13,959 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:51:13,978 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:51:13,979 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:51:13,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:51:13 BoogieIcfgContainer [2024-11-16 15:51:13,980 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:51:13,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:51:13,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:51:13,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:51:13,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:51:12" (1/3) ... [2024-11-16 15:51:13,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49addbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:51:13, skipping insertion in model container [2024-11-16 15:51:13,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:51:13" (2/3) ... [2024-11-16 15:51:13,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49addbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:51:13, skipping insertion in model container [2024-11-16 15:51:13,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:51:13" (3/3) ... [2024-11-16 15:51:13,993 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-6.i [2024-11-16 15:51:14,015 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:51:14,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:51:14,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:51:14,107 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;@19a7c15c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:51:14,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:51:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 38 states have internal predecessors, (48), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:51:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 15:51:14,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:14,133 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:14,133 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:14,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:14,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2069207880, now seen corresponding path program 1 times [2024-11-16 15:51:14,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:14,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619318772] [2024-11-16 15:51:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:14,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:14,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:14,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619318772] [2024-11-16 15:51:14,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619318772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:14,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:14,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:51:14,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725308902] [2024-11-16 15:51:14,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:14,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:51:14,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:14,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:51:14,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:51:14,648 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 38 states have internal predecessors, (48), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-16 15:51:14,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:14,685 INFO L93 Difference]: Finished difference Result 118 states and 204 transitions. [2024-11-16 15:51:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:51:14,687 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2024-11-16 15:51:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:14,695 INFO L225 Difference]: With dead ends: 118 [2024-11-16 15:51:14,695 INFO L226 Difference]: Without dead ends: 58 [2024-11-16 15:51:14,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:51:14,702 INFO L432 NwaCegarLoop]: 86 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, 86 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 [2024-11-16 15:51:14,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:51:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-16 15:51:14,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-16 15:51:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:51:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2024-11-16 15:51:14,767 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 142 [2024-11-16 15:51:14,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:14,768 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2024-11-16 15:51:14,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-16 15:51:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-11-16 15:51:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 15:51:14,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:14,771 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:14,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:51:14,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:14,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:14,773 INFO L85 PathProgramCache]: Analyzing trace with hash 2062173367, now seen corresponding path program 1 times [2024-11-16 15:51:14,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:14,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109790937] [2024-11-16 15:51:14,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:14,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:15,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:15,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109790937] [2024-11-16 15:51:15,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109790937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:15,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:15,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:51:15,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491203408] [2024-11-16 15:51:15,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:15,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:51:15,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:15,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:51:15,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:51:15,475 INFO L87 Difference]: Start difference. First operand 58 states and 86 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:15,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:15,691 INFO L93 Difference]: Finished difference Result 113 states and 169 transitions. [2024-11-16 15:51:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:51:15,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-16 15:51:15,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:15,696 INFO L225 Difference]: With dead ends: 113 [2024-11-16 15:51:15,698 INFO L226 Difference]: Without dead ends: 58 [2024-11-16 15:51:15,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:51:15,701 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:15,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 82 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:51:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-16 15:51:15,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-16 15:51:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:51:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-11-16 15:51:15,727 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 142 [2024-11-16 15:51:15,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:15,731 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-11-16 15:51:15,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-11-16 15:51:15,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 15:51:15,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:15,734 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:15,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:51:15,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:15,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash -489983594, now seen corresponding path program 1 times [2024-11-16 15:51:15,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:15,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278788372] [2024-11-16 15:51:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:15,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:15,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:16,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:16,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:16,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278788372] [2024-11-16 15:51:16,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278788372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:16,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:16,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:51:16,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794992241] [2024-11-16 15:51:16,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:16,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:51:16,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:16,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:51:16,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:51:16,075 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:16,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:16,133 INFO L93 Difference]: Finished difference Result 154 states and 225 transitions. [2024-11-16 15:51:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:51:16,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-16 15:51:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:16,140 INFO L225 Difference]: With dead ends: 154 [2024-11-16 15:51:16,140 INFO L226 Difference]: Without dead ends: 99 [2024-11-16 15:51:16,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:51:16,141 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 56 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:16,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 202 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:51:16,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-16 15:51:16,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2024-11-16 15:51:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 55 states have internal predecessors, (63), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-16 15:51:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 139 transitions. [2024-11-16 15:51:16,175 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 139 transitions. Word has length 142 [2024-11-16 15:51:16,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:16,175 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 139 transitions. [2024-11-16 15:51:16,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:16,176 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2024-11-16 15:51:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 15:51:16,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:16,178 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:16,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:51:16,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:16,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:16,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1997529239, now seen corresponding path program 1 times [2024-11-16 15:51:16,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:16,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536365937] [2024-11-16 15:51:16,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:16,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:20,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:20,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536365937] [2024-11-16 15:51:20,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536365937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:20,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:20,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:51:20,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702891620] [2024-11-16 15:51:20,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:20,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:51:20,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:20,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:51:20,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:51:20,733 INFO L87 Difference]: Start difference. First operand 95 states and 139 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:22,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:22,959 INFO L93 Difference]: Finished difference Result 201 states and 288 transitions. [2024-11-16 15:51:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 15:51:22,964 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-16 15:51:22,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:22,968 INFO L225 Difference]: With dead ends: 201 [2024-11-16 15:51:22,968 INFO L226 Difference]: Without dead ends: 198 [2024-11-16 15:51:22,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:51:22,974 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 102 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:22,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 360 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 15:51:22,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-16 15:51:23,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 187. [2024-11-16 15:51:23,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 106 states have (on average 1.169811320754717) internal successors, (124), 108 states have internal predecessors, (124), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-16 15:51:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 276 transitions. [2024-11-16 15:51:23,043 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 276 transitions. Word has length 142 [2024-11-16 15:51:23,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:23,043 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 276 transitions. [2024-11-16 15:51:23,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 276 transitions. [2024-11-16 15:51:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 15:51:23,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:23,046 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:23,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:51:23,048 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:23,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:23,049 INFO L85 PathProgramCache]: Analyzing trace with hash 936897358, now seen corresponding path program 1 times [2024-11-16 15:51:23,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:23,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569676741] [2024-11-16 15:51:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:23,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:23,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:23,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569676741] [2024-11-16 15:51:23,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569676741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:23,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:23,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:51:23,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354535608] [2024-11-16 15:51:23,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:23,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:51:23,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:51:23,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:51:23,644 INFO L87 Difference]: Start difference. First operand 187 states and 276 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:23,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:23,963 INFO L93 Difference]: Finished difference Result 443 states and 651 transitions. [2024-11-16 15:51:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:51:23,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-16 15:51:23,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:23,968 INFO L225 Difference]: With dead ends: 443 [2024-11-16 15:51:23,968 INFO L226 Difference]: Without dead ends: 259 [2024-11-16 15:51:23,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:51:23,971 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 45 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:23,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 248 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:51:23,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-16 15:51:24,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 240. [2024-11-16 15:51:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 135 states have (on average 1.1703703703703703) internal successors, (158), 137 states have internal predecessors, (158), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:51:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 356 transitions. [2024-11-16 15:51:24,010 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 356 transitions. Word has length 143 [2024-11-16 15:51:24,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:24,011 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 356 transitions. [2024-11-16 15:51:24,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:24,014 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 356 transitions. [2024-11-16 15:51:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 15:51:24,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:24,017 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:24,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:51:24,018 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:24,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:24,018 INFO L85 PathProgramCache]: Analyzing trace with hash 965526509, now seen corresponding path program 1 times [2024-11-16 15:51:24,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:24,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333451450] [2024-11-16 15:51:24,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:24,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:29,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:29,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333451450] [2024-11-16 15:51:29,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333451450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:29,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:29,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 15:51:29,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935129739] [2024-11-16 15:51:29,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:29,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 15:51:29,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:29,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 15:51:29,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:51:29,723 INFO L87 Difference]: Start difference. First operand 240 states and 356 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:32,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:32,228 INFO L93 Difference]: Finished difference Result 264 states and 380 transitions. [2024-11-16 15:51:32,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 15:51:32,229 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-16 15:51:32,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:32,232 INFO L225 Difference]: With dead ends: 264 [2024-11-16 15:51:32,232 INFO L226 Difference]: Without dead ends: 261 [2024-11-16 15:51:32,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-16 15:51:32,235 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 81 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:32,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 494 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 15:51:32,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-16 15:51:32,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 240. [2024-11-16 15:51:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 135 states have (on average 1.1703703703703703) internal successors, (158), 137 states have internal predecessors, (158), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:51:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 356 transitions. [2024-11-16 15:51:32,284 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 356 transitions. Word has length 143 [2024-11-16 15:51:32,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:32,285 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 356 transitions. [2024-11-16 15:51:32,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 356 transitions. [2024-11-16 15:51:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 15:51:32,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:32,287 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:32,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:51:32,287 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:32,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:32,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1812473780, now seen corresponding path program 1 times [2024-11-16 15:51:32,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:32,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304139481] [2024-11-16 15:51:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:34,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304139481] [2024-11-16 15:51:34,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304139481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:34,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:34,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:51:34,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768797341] [2024-11-16 15:51:34,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:34,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:51:34,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:34,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:51:34,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:51:34,106 INFO L87 Difference]: Start difference. First operand 240 states and 356 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:34,608 INFO L93 Difference]: Finished difference Result 265 states and 382 transitions. [2024-11-16 15:51:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 15:51:34,609 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-16 15:51:34,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:34,611 INFO L225 Difference]: With dead ends: 265 [2024-11-16 15:51:34,611 INFO L226 Difference]: Without dead ends: 262 [2024-11-16 15:51:34,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:51:34,612 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 68 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:34,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 392 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:51:34,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-16 15:51:34,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 246. [2024-11-16 15:51:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 141 states have (on average 1.1702127659574468) internal successors, (165), 143 states have internal predecessors, (165), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:51:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 363 transitions. [2024-11-16 15:51:34,642 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 363 transitions. Word has length 143 [2024-11-16 15:51:34,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:34,642 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 363 transitions. [2024-11-16 15:51:34,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:34,643 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 363 transitions. [2024-11-16 15:51:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 15:51:34,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:34,644 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:34,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 15:51:34,645 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:34,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:34,645 INFO L85 PathProgramCache]: Analyzing trace with hash 675039053, now seen corresponding path program 1 times [2024-11-16 15:51:34,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:34,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931834886] [2024-11-16 15:51:34,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:34,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:38,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:38,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931834886] [2024-11-16 15:51:38,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931834886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:38,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:38,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 15:51:38,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640328168] [2024-11-16 15:51:38,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:38,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 15:51:38,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:38,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 15:51:38,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:51:38,644 INFO L87 Difference]: Start difference. First operand 246 states and 363 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:42,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:42,210 INFO L93 Difference]: Finished difference Result 267 states and 382 transitions. [2024-11-16 15:51:42,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 15:51:42,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-11-16 15:51:42,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:42,213 INFO L225 Difference]: With dead ends: 267 [2024-11-16 15:51:42,213 INFO L226 Difference]: Without dead ends: 264 [2024-11-16 15:51:42,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2024-11-16 15:51:42,215 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 136 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:42,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 385 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-16 15:51:42,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-16 15:51:42,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 249. [2024-11-16 15:51:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 144 states have (on average 1.1666666666666667) internal successors, (168), 146 states have internal predecessors, (168), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:51:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 366 transitions. [2024-11-16 15:51:42,251 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 366 transitions. Word has length 143 [2024-11-16 15:51:42,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:42,252 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 366 transitions. [2024-11-16 15:51:42,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2024-11-16 15:51:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-16 15:51:42,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:42,254 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:42,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 15:51:42,254 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:42,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1209079239, now seen corresponding path program 1 times [2024-11-16 15:51:42,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:42,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053877909] [2024-11-16 15:51:42,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:42,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:44,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:44,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053877909] [2024-11-16 15:51:44,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053877909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:44,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:44,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 15:51:44,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999369523] [2024-11-16 15:51:44,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:44,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 15:51:44,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:44,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 15:51:44,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:51:44,441 INFO L87 Difference]: Start difference. First operand 249 states and 366 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:45,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:45,006 INFO L93 Difference]: Finished difference Result 272 states and 389 transitions. [2024-11-16 15:51:45,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 15:51:45,007 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2024-11-16 15:51:45,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:45,010 INFO L225 Difference]: With dead ends: 272 [2024-11-16 15:51:45,010 INFO L226 Difference]: Without dead ends: 269 [2024-11-16 15:51:45,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:51:45,011 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 73 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:45,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 438 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:51:45,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-16 15:51:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 250. [2024-11-16 15:51:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 145 states have (on average 1.1724137931034482) internal successors, (170), 147 states have internal predecessors, (170), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:51:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 368 transitions. [2024-11-16 15:51:45,039 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 368 transitions. Word has length 144 [2024-11-16 15:51:45,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:45,039 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 368 transitions. [2024-11-16 15:51:45,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 368 transitions. [2024-11-16 15:51:45,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-16 15:51:45,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:45,041 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:45,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 15:51:45,041 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:45,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:45,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1180450088, now seen corresponding path program 1 times [2024-11-16 15:51:45,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:45,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96274697] [2024-11-16 15:51:45,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:45,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:46,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:46,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96274697] [2024-11-16 15:51:46,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96274697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:46,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:46,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:51:46,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649458408] [2024-11-16 15:51:46,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:46,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:51:46,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:46,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:51:46,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:51:46,833 INFO L87 Difference]: Start difference. First operand 250 states and 368 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:47,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:47,337 INFO L93 Difference]: Finished difference Result 266 states and 383 transitions. [2024-11-16 15:51:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 15:51:47,338 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2024-11-16 15:51:47,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:47,340 INFO L225 Difference]: With dead ends: 266 [2024-11-16 15:51:47,341 INFO L226 Difference]: Without dead ends: 263 [2024-11-16 15:51:47,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:51:47,342 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 56 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:47,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 397 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:51:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-16 15:51:47,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 250. [2024-11-16 15:51:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 145 states have (on average 1.1724137931034482) internal successors, (170), 147 states have internal predecessors, (170), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:51:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 368 transitions. [2024-11-16 15:51:47,369 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 368 transitions. Word has length 144 [2024-11-16 15:51:47,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:47,369 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 368 transitions. [2024-11-16 15:51:47,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:47,370 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 368 transitions. [2024-11-16 15:51:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-16 15:51:47,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:47,371 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:47,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 15:51:47,372 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:47,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:47,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1376963593, now seen corresponding path program 1 times [2024-11-16 15:51:47,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:47,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651520778] [2024-11-16 15:51:47,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:47,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:51:51,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:51,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651520778] [2024-11-16 15:51:51,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651520778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:51:51,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:51:51,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:51:51,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307860609] [2024-11-16 15:51:51,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:51:51,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:51:51,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:51:51,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:51:51,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:51:51,167 INFO L87 Difference]: Start difference. First operand 250 states and 368 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:53,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:51:53,913 INFO L93 Difference]: Finished difference Result 277 states and 395 transitions. [2024-11-16 15:51:53,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 15:51:53,914 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2024-11-16 15:51:53,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:51:53,916 INFO L225 Difference]: With dead ends: 277 [2024-11-16 15:51:53,916 INFO L226 Difference]: Without dead ends: 274 [2024-11-16 15:51:53,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-11-16 15:51:53,917 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 93 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 15:51:53,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 477 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 15:51:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-16 15:51:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 250. [2024-11-16 15:51:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 145 states have (on average 1.1724137931034482) internal successors, (170), 147 states have internal predecessors, (170), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-16 15:51:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 368 transitions. [2024-11-16 15:51:53,944 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 368 transitions. Word has length 144 [2024-11-16 15:51:53,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:51:53,945 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 368 transitions. [2024-11-16 15:51:53,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:51:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 368 transitions. [2024-11-16 15:51:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-16 15:51:53,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:51:53,949 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:51:53,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 15:51:53,950 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:51:53,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:51:53,950 INFO L85 PathProgramCache]: Analyzing trace with hash 417291284, now seen corresponding path program 1 times [2024-11-16 15:51:53,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:51:53,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293670012] [2024-11-16 15:51:53,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:51:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:51:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:51:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 15:51:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:51:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 15:51:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:51:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 15:51:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:51:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 15:51:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:51:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 15:51:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:51:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 15:51:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:51:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 15:51:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:51:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 15:51:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:51:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 15:51:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:51:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 15:51:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:51:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:51:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:51:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:51:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:51:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:51:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:51:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:51:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:51:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:51:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:51:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:51:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:51:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:51:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:51:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 15:51:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:51:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 15:51:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:51:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 15:51:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:51:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 15:51:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:51:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:51:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 15:51:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4185 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 15:51:59,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:51:59,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293670012] [2024-11-16 15:51:59,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293670012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 15:51:59,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684779545] [2024-11-16 15:51:59,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:51:59,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:51:59,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:51:59,574 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) [2024-11-16 15:51:59,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 15:51:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:51:59,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-16 15:51:59,761 INFO L278 TraceCheckSpWp]: Computing forward predicates...