./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_loopvsstraightlinecode_100-1loop_file-68.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 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 05:02:04,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 05:02:04,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 05:02:04,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 05:02:04,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 05:02:04,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 05:02:04,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 05:02:04,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 05:02:04,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 05:02:04,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 05:02:04,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 05:02:04,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 05:02:04,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 05:02:04,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 05:02:04,255 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 05:02:04,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 05:02:04,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 05:02:04,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 05:02:04,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 05:02:04,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 05:02:04,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 05:02:04,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 05:02:04,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 05:02:04,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 05:02:04,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 05:02:04,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 05:02:04,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 05:02:04,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 05:02:04,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 05:02:04,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 05:02:04,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 05:02:04,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 05:02:04,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:02:04,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 05:02:04,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 05:02:04,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 05:02:04,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 05:02:04,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 05:02:04,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 05:02:04,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 05:02:04,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 05:02:04,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 05:02:04,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 [2024-11-12 05:02:04,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 05:02:04,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 05:02:04,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 05:02:04,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 05:02:04,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 05:02:04,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-12 05:02:06,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 05:02:06,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 05:02:06,368 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-12 05:02:06,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2919c3a/2d89b41e88924b8194501c9529f68d11/FLAGf8ee27f26 [2024-11-12 05:02:06,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2919c3a/2d89b41e88924b8194501c9529f68d11 [2024-11-12 05:02:06,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 05:02:06,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 05:02:06,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 05:02:06,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 05:02:06,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 05:02:06,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:02:06" (1/1) ... [2024-11-12 05:02:06,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aac859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:06, skipping insertion in model container [2024-11-12 05:02:06,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:02:06" (1/1) ... [2024-11-12 05:02:06,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 05:02:06,942 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_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-11-12 05:02:07,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:02:07,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 05:02:07,074 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_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2024-11-12 05:02:07,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:02:07,179 INFO L204 MainTranslator]: Completed translation [2024-11-12 05:02:07,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07 WrapperNode [2024-11-12 05:02:07,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 05:02:07,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 05:02:07,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 05:02:07,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 05:02:07,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,285 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 395 [2024-11-12 05:02:07,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 05:02:07,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 05:02:07,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 05:02:07,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 05:02:07,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,380 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]. [2024-11-12 05:02:07,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 05:02:07,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 05:02:07,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 05:02:07,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 05:02:07,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (1/1) ... [2024-11-12 05:02:07,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:02:07,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:02:07,488 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) [2024-11-12 05:02:07,492 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 [2024-11-12 05:02:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 05:02:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 05:02:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 05:02:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 05:02:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 05:02:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 05:02:07,678 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 05:02:07,684 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 05:02:08,475 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-12 05:02:08,476 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 05:02:08,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 05:02:08,493 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 05:02:08,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:02:08 BoogieIcfgContainer [2024-11-12 05:02:08,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 05:02:08,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 05:02:08,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 05:02:08,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 05:02:08,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:02:06" (1/3) ... [2024-11-12 05:02:08,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6658671d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:02:08, skipping insertion in model container [2024-11-12 05:02:08,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:02:07" (2/3) ... [2024-11-12 05:02:08,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6658671d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:02:08, skipping insertion in model container [2024-11-12 05:02:08,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:02:08" (3/3) ... [2024-11-12 05:02:08,504 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-68.i [2024-11-12 05:02:08,519 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 05:02:08,519 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 05:02:08,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 05:02:08,598 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;@35aedb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 05:02:08,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 05:02:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 121 states have (on average 1.4545454545454546) internal successors, (176), 122 states have internal predecessors, (176), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 05:02:08,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-12 05:02:08,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:08,630 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:08,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:08,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:08,638 INFO L85 PathProgramCache]: Analyzing trace with hash 405120777, now seen corresponding path program 1 times [2024-11-12 05:02:08,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:08,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127150711] [2024-11-12 05:02:08,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:08,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:09,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:09,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127150711] [2024-11-12 05:02:09,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127150711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:09,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:09,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 05:02:09,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812578673] [2024-11-12 05:02:09,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:09,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 05:02:09,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:09,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 05:02:09,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:02:09,421 INFO L87 Difference]: Start difference. First operand has 164 states, 121 states have (on average 1.4545454545454546) internal successors, (176), 122 states have internal predecessors, (176), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-12 05:02:09,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:09,472 INFO L93 Difference]: Finished difference Result 325 states and 549 transitions. [2024-11-12 05:02:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 05:02:09,477 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 269 [2024-11-12 05:02:09,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:09,490 INFO L225 Difference]: With dead ends: 325 [2024-11-12 05:02:09,490 INFO L226 Difference]: Without dead ends: 160 [2024-11-12 05:02:09,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:02:09,503 INFO L435 NwaCegarLoop]: 253 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, 253 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 [2024-11-12 05:02:09,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:02:09,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-12 05:02:09,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-12 05:02:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 118 states have (on average 1.4322033898305084) internal successors, (169), 118 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 05:02:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 249 transitions. [2024-11-12 05:02:09,582 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 249 transitions. Word has length 269 [2024-11-12 05:02:09,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:09,586 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 249 transitions. [2024-11-12 05:02:09,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-12 05:02:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 249 transitions. [2024-11-12 05:02:09,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-12 05:02:09,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:09,596 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:09,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 05:02:09,597 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:09,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:09,599 INFO L85 PathProgramCache]: Analyzing trace with hash 339217989, now seen corresponding path program 1 times [2024-11-12 05:02:09,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:09,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870725434] [2024-11-12 05:02:09,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:09,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:10,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:10,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870725434] [2024-11-12 05:02:10,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870725434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:10,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:10,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 05:02:10,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63875943] [2024-11-12 05:02:10,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:10,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 05:02:10,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:10,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 05:02:10,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:02:10,242 INFO L87 Difference]: Start difference. First operand 160 states and 249 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:10,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:10,294 INFO L93 Difference]: Finished difference Result 317 states and 495 transitions. [2024-11-12 05:02:10,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 05:02:10,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2024-11-12 05:02:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:10,303 INFO L225 Difference]: With dead ends: 317 [2024-11-12 05:02:10,303 INFO L226 Difference]: Without dead ends: 160 [2024-11-12 05:02:10,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:02:10,307 INFO L435 NwaCegarLoop]: 247 mSDtfsCounter, 0 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:10,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:02:10,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-12 05:02:10,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-12 05:02:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 05:02:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-11-12 05:02:10,335 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 269 [2024-11-12 05:02:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:10,339 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-11-12 05:02:10,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-11-12 05:02:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-12 05:02:10,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:10,351 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:10,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 05:02:10,352 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:10,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:10,352 INFO L85 PathProgramCache]: Analyzing trace with hash -55148797, now seen corresponding path program 1 times [2024-11-12 05:02:10,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:10,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783651597] [2024-11-12 05:02:10,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:10,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:13,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:14,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:14,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783651597] [2024-11-12 05:02:14,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783651597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:14,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:14,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:02:14,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491389829] [2024-11-12 05:02:14,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:14,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:02:14,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:14,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:02:14,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:02:14,127 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:15,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:15,849 INFO L93 Difference]: Finished difference Result 562 states and 854 transitions. [2024-11-12 05:02:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 05:02:15,852 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2024-11-12 05:02:15,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:15,855 INFO L225 Difference]: With dead ends: 562 [2024-11-12 05:02:15,855 INFO L226 Difference]: Without dead ends: 405 [2024-11-12 05:02:15,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-12 05:02:15,857 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 1062 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:15,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 573 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 05:02:15,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-12 05:02:15,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 267. [2024-11-12 05:02:15,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 221 states have (on average 1.4796380090497738) internal successors, (327), 222 states have internal predecessors, (327), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 05:02:15,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 413 transitions. [2024-11-12 05:02:15,889 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 413 transitions. Word has length 269 [2024-11-12 05:02:15,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:15,890 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 413 transitions. [2024-11-12 05:02:15,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 413 transitions. [2024-11-12 05:02:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-12 05:02:15,893 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:15,894 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:15,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 05:02:15,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:15,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:15,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1643496699, now seen corresponding path program 1 times [2024-11-12 05:02:15,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:15,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624267099] [2024-11-12 05:02:15,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:16,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:16,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624267099] [2024-11-12 05:02:16,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624267099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:02:16,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860978839] [2024-11-12 05:02:16,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:16,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:16,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:02:16,523 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) [2024-11-12 05:02:16,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 05:02:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:16,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 05:02:16,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:02:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1509 proven. 72 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2024-11-12 05:02:17,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:02:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:17,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860978839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:02:17,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:02:17,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 13 [2024-11-12 05:02:17,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427405383] [2024-11-12 05:02:17,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:02:17,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 05:02:17,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:17,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 05:02:17,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-12 05:02:17,472 INFO L87 Difference]: Start difference. First operand 267 states and 413 transitions. Second operand has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-12 05:02:18,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:18,554 INFO L93 Difference]: Finished difference Result 725 states and 1106 transitions. [2024-11-12 05:02:18,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 05:02:18,555 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) Word has length 269 [2024-11-12 05:02:18,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:18,560 INFO L225 Difference]: With dead ends: 725 [2024-11-12 05:02:18,560 INFO L226 Difference]: Without dead ends: 461 [2024-11-12 05:02:18,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2024-11-12 05:02:18,565 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 865 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:18,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 920 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 05:02:18,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-12 05:02:18,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 454. [2024-11-12 05:02:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 387 states have (on average 1.3875968992248062) internal successors, (537), 390 states have internal predecessors, (537), 59 states have call successors, (59), 7 states have call predecessors, (59), 7 states have return successors, (59), 56 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-12 05:02:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 655 transitions. [2024-11-12 05:02:18,606 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 655 transitions. Word has length 269 [2024-11-12 05:02:18,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:18,608 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 655 transitions. [2024-11-12 05:02:18,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-12 05:02:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 655 transitions. [2024-11-12 05:02:18,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-12 05:02:18,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:18,612 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:18,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 05:02:18,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:18,814 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:18,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:18,815 INFO L85 PathProgramCache]: Analyzing trace with hash -389519926, now seen corresponding path program 1 times [2024-11-12 05:02:18,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:18,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620242800] [2024-11-12 05:02:18,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:18,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:19,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:19,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620242800] [2024-11-12 05:02:19,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620242800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:19,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:19,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 05:02:19,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352263796] [2024-11-12 05:02:19,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:19,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 05:02:19,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:19,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 05:02:19,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:02:19,219 INFO L87 Difference]: Start difference. First operand 454 states and 655 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:19,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:19,298 INFO L93 Difference]: Finished difference Result 1355 states and 1958 transitions. [2024-11-12 05:02:19,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 05:02:19,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 270 [2024-11-12 05:02:19,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:19,304 INFO L225 Difference]: With dead ends: 1355 [2024-11-12 05:02:19,305 INFO L226 Difference]: Without dead ends: 904 [2024-11-12 05:02:19,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:02:19,307 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 157 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:19,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 551 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:02:19,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-11-12 05:02:19,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 902. [2024-11-12 05:02:19,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 769 states have (on average 1.3797139141742523) internal successors, (1061), 775 states have internal predecessors, (1061), 118 states have call successors, (118), 14 states have call predecessors, (118), 14 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-12 05:02:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1297 transitions. [2024-11-12 05:02:19,419 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1297 transitions. Word has length 270 [2024-11-12 05:02:19,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:19,420 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1297 transitions. [2024-11-12 05:02:19,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1297 transitions. [2024-11-12 05:02:19,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 05:02:19,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:19,425 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:19,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 05:02:19,425 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:19,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:19,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1550695679, now seen corresponding path program 1 times [2024-11-12 05:02:19,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:19,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822060734] [2024-11-12 05:02:19,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:20,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:20,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:21,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:21,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822060734] [2024-11-12 05:02:21,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822060734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:21,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:21,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:02:21,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89657445] [2024-11-12 05:02:21,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:21,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:02:21,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:21,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:02:21,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:02:21,155 INFO L87 Difference]: Start difference. First operand 902 states and 1297 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:22,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:22,473 INFO L93 Difference]: Finished difference Result 2095 states and 2999 transitions. [2024-11-12 05:02:22,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 05:02:22,474 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-12 05:02:22,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:22,481 INFO L225 Difference]: With dead ends: 2095 [2024-11-12 05:02:22,481 INFO L226 Difference]: Without dead ends: 1196 [2024-11-12 05:02:22,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-12 05:02:22,488 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 815 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:22,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 756 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 05:02:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-11-12 05:02:22,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 958. [2024-11-12 05:02:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 825 states have (on average 1.3927272727272728) internal successors, (1149), 831 states have internal predecessors, (1149), 118 states have call successors, (118), 14 states have call predecessors, (118), 14 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-12 05:02:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1385 transitions. [2024-11-12 05:02:22,573 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1385 transitions. Word has length 271 [2024-11-12 05:02:22,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:22,575 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1385 transitions. [2024-11-12 05:02:22,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1385 transitions. [2024-11-12 05:02:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 05:02:22,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:22,580 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:22,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 05:02:22,581 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:22,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:22,583 INFO L85 PathProgramCache]: Analyzing trace with hash -37652223, now seen corresponding path program 1 times [2024-11-12 05:02:22,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:22,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117025534] [2024-11-12 05:02:22,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:22,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:25,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:25,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117025534] [2024-11-12 05:02:25,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117025534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:25,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:25,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:02:25,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227106716] [2024-11-12 05:02:25,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:25,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:02:25,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:25,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:02:25,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:02:25,402 INFO L87 Difference]: Start difference. First operand 958 states and 1385 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:26,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:26,946 INFO L93 Difference]: Finished difference Result 2427 states and 3458 transitions. [2024-11-12 05:02:26,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:02:26,947 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-12 05:02:26,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:26,955 INFO L225 Difference]: With dead ends: 2427 [2024-11-12 05:02:26,958 INFO L226 Difference]: Without dead ends: 1472 [2024-11-12 05:02:26,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2024-11-12 05:02:26,962 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 689 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:26,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 754 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 05:02:26,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2024-11-12 05:02:27,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1110. [2024-11-12 05:02:27,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 977 states have (on average 1.3971340839303992) internal successors, (1365), 983 states have internal predecessors, (1365), 118 states have call successors, (118), 14 states have call predecessors, (118), 14 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-12 05:02:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1601 transitions. [2024-11-12 05:02:27,051 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1601 transitions. Word has length 271 [2024-11-12 05:02:27,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:27,052 INFO L471 AbstractCegarLoop]: Abstraction has 1110 states and 1601 transitions. [2024-11-12 05:02:27,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1601 transitions. [2024-11-12 05:02:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 05:02:27,058 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:27,058 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:27,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 05:02:27,059 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:27,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:27,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1317515901, now seen corresponding path program 1 times [2024-11-12 05:02:27,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:27,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616580676] [2024-11-12 05:02:27,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:27,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 138 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-12 05:02:27,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:27,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616580676] [2024-11-12 05:02:27,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616580676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:02:27,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411561044] [2024-11-12 05:02:27,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:27,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:27,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:02:27,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:02:27,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 05:02:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:28,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 05:02:28,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:02:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-11-12 05:02:28,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:02:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:28,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411561044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:02:28,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:02:28,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-12 05:02:28,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399331951] [2024-11-12 05:02:28,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:02:28,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 05:02:28,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:28,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 05:02:28,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-12 05:02:28,558 INFO L87 Difference]: Start difference. First operand 1110 states and 1601 transitions. Second operand has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 5 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) [2024-11-12 05:02:29,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:29,214 INFO L93 Difference]: Finished difference Result 1693 states and 2439 transitions. [2024-11-12 05:02:29,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 05:02:29,215 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 5 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) Word has length 271 [2024-11-12 05:02:29,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:29,221 INFO L225 Difference]: With dead ends: 1693 [2024-11-12 05:02:29,221 INFO L226 Difference]: Without dead ends: 1138 [2024-11-12 05:02:29,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2024-11-12 05:02:29,224 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 328 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:29,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 607 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 05:02:29,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2024-11-12 05:02:29,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1126. [2024-11-12 05:02:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 991 states have (on average 1.3915237134207872) internal successors, (1379), 997 states have internal predecessors, (1379), 118 states have call successors, (118), 16 states have call predecessors, (118), 16 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-12 05:02:29,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1615 transitions. [2024-11-12 05:02:29,290 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1615 transitions. Word has length 271 [2024-11-12 05:02:29,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:29,291 INFO L471 AbstractCegarLoop]: Abstraction has 1126 states and 1615 transitions. [2024-11-12 05:02:29,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.4) internal successors, (141), 15 states have internal predecessors, (141), 5 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (89), 5 states have call predecessors, (89), 5 states have call successors, (89) [2024-11-12 05:02:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1615 transitions. [2024-11-12 05:02:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 05:02:29,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:29,296 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:29,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 05:02:29,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-12 05:02:29,498 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:29,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:29,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1105400704, now seen corresponding path program 1 times [2024-11-12 05:02:29,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:29,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391629581] [2024-11-12 05:02:29,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:29,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:31,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:31,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391629581] [2024-11-12 05:02:31,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391629581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:31,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:31,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:02:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827155207] [2024-11-12 05:02:31,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:31,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:02:31,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:31,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:02:31,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:02:31,456 INFO L87 Difference]: Start difference. First operand 1126 states and 1615 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:34,094 INFO L93 Difference]: Finished difference Result 3490 states and 5008 transitions. [2024-11-12 05:02:34,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 05:02:34,096 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-12 05:02:34,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:34,108 INFO L225 Difference]: With dead ends: 3490 [2024-11-12 05:02:34,108 INFO L226 Difference]: Without dead ends: 2319 [2024-11-12 05:02:34,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-12 05:02:34,115 INFO L435 NwaCegarLoop]: 418 mSDtfsCounter, 1515 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:34,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1511 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-12 05:02:34,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-11-12 05:02:34,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 1965. [2024-11-12 05:02:34,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1708 states have (on average 1.3817330210772834) internal successors, (2360), 1716 states have internal predecessors, (2360), 224 states have call successors, (224), 32 states have call predecessors, (224), 32 states have return successors, (224), 216 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-12 05:02:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2808 transitions. [2024-11-12 05:02:34,266 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2808 transitions. Word has length 271 [2024-11-12 05:02:34,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:34,267 INFO L471 AbstractCegarLoop]: Abstraction has 1965 states and 2808 transitions. [2024-11-12 05:02:34,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2808 transitions. [2024-11-12 05:02:34,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-12 05:02:34,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:34,273 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:34,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 05:02:34,273 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:34,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:34,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1872624898, now seen corresponding path program 1 times [2024-11-12 05:02:34,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:34,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765262054] [2024-11-12 05:02:34,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:34,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:35,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:35,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765262054] [2024-11-12 05:02:35,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765262054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:02:35,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721138718] [2024-11-12 05:02:35,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:35,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:35,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:02:35,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:02:35,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 05:02:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:35,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 05:02:35,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:02:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-11-12 05:02:36,217 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:02:36,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-12 05:02:36,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721138718] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:02:36,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:02:36,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2024-11-12 05:02:36,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096262361] [2024-11-12 05:02:36,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:02:36,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-12 05:02:36,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:36,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-12 05:02:36,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2024-11-12 05:02:36,666 INFO L87 Difference]: Start difference. First operand 1965 states and 2808 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 21 states have internal predecessors, (157), 8 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (107), 8 states have call predecessors, (107), 8 states have call successors, (107) [2024-11-12 05:02:38,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:38,677 INFO L93 Difference]: Finished difference Result 3782 states and 5326 transitions. [2024-11-12 05:02:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-12 05:02:38,678 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 21 states have internal predecessors, (157), 8 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (107), 8 states have call predecessors, (107), 8 states have call successors, (107) Word has length 271 [2024-11-12 05:02:38,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:38,689 INFO L225 Difference]: With dead ends: 3782 [2024-11-12 05:02:38,689 INFO L226 Difference]: Without dead ends: 1820 [2024-11-12 05:02:38,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=721, Invalid=1931, Unknown=0, NotChecked=0, Total=2652 [2024-11-12 05:02:38,696 INFO L435 NwaCegarLoop]: 374 mSDtfsCounter, 893 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:38,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 2130 Invalid, 1910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 05:02:38,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2024-11-12 05:02:38,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1397. [2024-11-12 05:02:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1194 states have (on average 1.3559463986599665) internal successors, (1619), 1196 states have internal predecessors, (1619), 166 states have call successors, (166), 36 states have call predecessors, (166), 36 states have return successors, (166), 164 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-12 05:02:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1951 transitions. [2024-11-12 05:02:38,813 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1951 transitions. Word has length 271 [2024-11-12 05:02:38,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:38,814 INFO L471 AbstractCegarLoop]: Abstraction has 1397 states and 1951 transitions. [2024-11-12 05:02:38,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 21 states have internal predecessors, (157), 8 states have call successors, (106), 3 states have call predecessors, (106), 7 states have return successors, (107), 8 states have call predecessors, (107), 8 states have call successors, (107) [2024-11-12 05:02:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1951 transitions. [2024-11-12 05:02:38,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-12 05:02:38,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:38,819 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:38,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 05:02:39,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:39,020 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:39,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:39,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1088259093, now seen corresponding path program 1 times [2024-11-12 05:02:39,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:39,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619293337] [2024-11-12 05:02:39,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:39,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:39,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:39,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:39,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:39,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 249 refuted. 0 times theorem prover too weak. 2787 trivial. 0 not checked. [2024-11-12 05:02:40,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:40,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619293337] [2024-11-12 05:02:40,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619293337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:02:40,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552654399] [2024-11-12 05:02:40,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:40,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:40,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:02:40,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:02:40,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 05:02:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:40,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 05:02:40,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:02:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 515 proven. 210 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2024-11-12 05:02:41,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:02:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:42,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552654399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:02:42,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:02:42,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 24 [2024-11-12 05:02:42,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67648703] [2024-11-12 05:02:42,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:02:42,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 05:02:42,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:42,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 05:02:42,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-12 05:02:42,144 INFO L87 Difference]: Start difference. First operand 1397 states and 1951 transitions. Second operand has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 6 states have call successors, (112), 3 states have call predecessors, (112), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) [2024-11-12 05:02:46,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:46,418 INFO L93 Difference]: Finished difference Result 4342 states and 6004 transitions. [2024-11-12 05:02:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-12 05:02:46,419 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 6 states have call successors, (112), 3 states have call predecessors, (112), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) Word has length 272 [2024-11-12 05:02:46,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:46,435 INFO L225 Difference]: With dead ends: 4342 [2024-11-12 05:02:46,435 INFO L226 Difference]: Without dead ends: 2942 [2024-11-12 05:02:46,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1790 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1523, Invalid=5283, Unknown=0, NotChecked=0, Total=6806 [2024-11-12 05:02:46,443 INFO L435 NwaCegarLoop]: 434 mSDtfsCounter, 2330 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 3150 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 3447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 3150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:46,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 2553 Invalid, 3447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 3150 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-12 05:02:46,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2024-11-12 05:02:46,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 1425. [2024-11-12 05:02:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1222 states have (on average 1.351063829787234) internal successors, (1651), 1222 states have internal predecessors, (1651), 160 states have call successors, (160), 42 states have call predecessors, (160), 42 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-12 05:02:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1971 transitions. [2024-11-12 05:02:46,609 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1971 transitions. Word has length 272 [2024-11-12 05:02:46,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:46,610 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 1971 transitions. [2024-11-12 05:02:46,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 6 states have call successors, (112), 3 states have call predecessors, (112), 5 states have return successors, (113), 6 states have call predecessors, (113), 6 states have call successors, (113) [2024-11-12 05:02:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1971 transitions. [2024-11-12 05:02:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-12 05:02:46,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:46,614 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:46,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 05:02:46,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:46,815 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:46,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1927869845, now seen corresponding path program 1 times [2024-11-12 05:02:46,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:46,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323371806] [2024-11-12 05:02:46,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:46,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:47,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:47,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323371806] [2024-11-12 05:02:47,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323371806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:47,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:47,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 05:02:47,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066633043] [2024-11-12 05:02:47,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:47,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 05:02:47,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:47,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 05:02:47,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:02:47,382 INFO L87 Difference]: Start difference. First operand 1425 states and 1971 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:47,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:47,913 INFO L93 Difference]: Finished difference Result 3842 states and 5316 transitions. [2024-11-12 05:02:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:02:47,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 272 [2024-11-12 05:02:47,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:47,927 INFO L225 Difference]: With dead ends: 3842 [2024-11-12 05:02:47,927 INFO L226 Difference]: Without dead ends: 2420 [2024-11-12 05:02:47,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:02:47,933 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 269 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:47,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 593 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 05:02:47,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2024-11-12 05:02:48,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 2410. [2024-11-12 05:02:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2005 states have (on average 1.339650872817955) internal successors, (2686), 2005 states have internal predecessors, (2686), 320 states have call successors, (320), 84 states have call predecessors, (320), 84 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-12 05:02:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3326 transitions. [2024-11-12 05:02:48,236 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3326 transitions. Word has length 272 [2024-11-12 05:02:48,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:48,237 INFO L471 AbstractCegarLoop]: Abstraction has 2410 states and 3326 transitions. [2024-11-12 05:02:48,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3326 transitions. [2024-11-12 05:02:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-12 05:02:48,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:48,241 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:48,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 05:02:48,241 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:48,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:48,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1082662511, now seen corresponding path program 1 times [2024-11-12 05:02:48,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:48,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22551966] [2024-11-12 05:02:48,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:48,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:48,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:48,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:48,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:48,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:48,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:02:49,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:49,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22551966] [2024-11-12 05:02:49,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22551966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:02:49,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:02:49,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:02:49,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586941772] [2024-11-12 05:02:49,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:02:49,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:02:49,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:49,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:02:49,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:02:49,118 INFO L87 Difference]: Start difference. First operand 2410 states and 3326 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:50,123 INFO L93 Difference]: Finished difference Result 5166 states and 7130 transitions. [2024-11-12 05:02:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 05:02:50,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 273 [2024-11-12 05:02:50,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:50,139 INFO L225 Difference]: With dead ends: 5166 [2024-11-12 05:02:50,140 INFO L226 Difference]: Without dead ends: 2759 [2024-11-12 05:02:50,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-12 05:02:50,147 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 319 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:50,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1150 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 05:02:50,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2759 states. [2024-11-12 05:02:50,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2759 to 2432. [2024-11-12 05:02:50,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 2027 states have (on average 1.3428712382831771) internal successors, (2722), 2027 states have internal predecessors, (2722), 320 states have call successors, (320), 84 states have call predecessors, (320), 84 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-12 05:02:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3362 transitions. [2024-11-12 05:02:50,432 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3362 transitions. Word has length 273 [2024-11-12 05:02:50,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:50,433 INFO L471 AbstractCegarLoop]: Abstraction has 2432 states and 3362 transitions. [2024-11-12 05:02:50,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-12 05:02:50,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3362 transitions. [2024-11-12 05:02:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-12 05:02:50,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:50,437 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:50,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 05:02:50,437 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:50,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:50,438 INFO L85 PathProgramCache]: Analyzing trace with hash -505685391, now seen corresponding path program 1 times [2024-11-12 05:02:50,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:50,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974139996] [2024-11-12 05:02:50,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:50,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:50,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:50,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974139996] [2024-11-12 05:02:50,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974139996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:02:50,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235314593] [2024-11-12 05:02:50,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:50,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:50,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:02:50,976 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:02:50,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 05:02:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:51,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 05:02:51,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:02:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-11-12 05:02:52,103 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:02:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:52,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235314593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:02:52,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:02:52,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2024-11-12 05:02:52,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528626631] [2024-11-12 05:02:52,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:02:52,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 05:02:52,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:52,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 05:02:52,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-12 05:02:52,538 INFO L87 Difference]: Start difference. First operand 2432 states and 3362 transitions. Second operand has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 5 states have call successors, (116), 3 states have call predecessors, (116), 6 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-11-12 05:02:55,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:55,300 INFO L93 Difference]: Finished difference Result 8654 states and 11884 transitions. [2024-11-12 05:02:55,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-12 05:02:55,301 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 5 states have call successors, (116), 3 states have call predecessors, (116), 6 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) Word has length 273 [2024-11-12 05:02:55,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:55,330 INFO L225 Difference]: With dead ends: 8654 [2024-11-12 05:02:55,330 INFO L226 Difference]: Without dead ends: 6225 [2024-11-12 05:02:55,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=529, Invalid=2123, Unknown=0, NotChecked=0, Total=2652 [2024-11-12 05:02:55,340 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 1816 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:55,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 1286 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 05:02:55,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6225 states. [2024-11-12 05:02:55,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6225 to 4715. [2024-11-12 05:02:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4715 states, 3978 states have (on average 1.3343388637506284) internal successors, (5308), 3986 states have internal predecessors, (5308), 560 states have call successors, (560), 176 states have call predecessors, (560), 176 states have return successors, (560), 552 states have call predecessors, (560), 560 states have call successors, (560) [2024-11-12 05:02:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 4715 states and 6428 transitions. [2024-11-12 05:02:55,875 INFO L78 Accepts]: Start accepts. Automaton has 4715 states and 6428 transitions. Word has length 273 [2024-11-12 05:02:55,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:02:55,876 INFO L471 AbstractCegarLoop]: Abstraction has 4715 states and 6428 transitions. [2024-11-12 05:02:55,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.3125) internal successors, (181), 16 states have internal predecessors, (181), 5 states have call successors, (116), 3 states have call predecessors, (116), 6 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-11-12 05:02:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4715 states and 6428 transitions. [2024-11-12 05:02:55,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-12 05:02:55,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:02:55,882 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:02:55,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 05:02:56,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-12 05:02:56,083 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:02:56,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:02:56,084 INFO L85 PathProgramCache]: Analyzing trace with hash 922511612, now seen corresponding path program 1 times [2024-11-12 05:02:56,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:02:56,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762090679] [2024-11-12 05:02:56,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:02:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:02:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:02:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:02:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:02:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:02:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:02:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:02:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:02:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:02:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:02:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:02:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:02:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:02:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:02:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:02:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:02:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:02:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:02:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:02:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:02:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:02:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:02:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:02:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:02:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:02:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:02:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:02:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:02:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:02:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:02:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:02:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:02:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:02:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:02:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:02:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:02:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:02:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:02:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:02:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:02:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:56,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:02:56,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762090679] [2024-11-12 05:02:56,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762090679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:02:56,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83786132] [2024-11-12 05:02:56,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:02:56,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:02:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:02:56,639 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:02:56,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 05:02:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:02:56,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 05:02:56,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:02:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1219 proven. 87 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2024-11-12 05:02:57,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:02:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 05:02:57,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83786132] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:02:57,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:02:57,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-12 05:02:57,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305146735] [2024-11-12 05:02:57,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:02:57,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:02:57,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:02:57,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:02:57,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:02:57,522 INFO L87 Difference]: Start difference. First operand 4715 states and 6428 transitions. Second operand has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) [2024-11-12 05:02:59,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:02:59,335 INFO L93 Difference]: Finished difference Result 14459 states and 19566 transitions. [2024-11-12 05:02:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 05:02:59,335 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) Word has length 275 [2024-11-12 05:02:59,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:02:59,380 INFO L225 Difference]: With dead ends: 14459 [2024-11-12 05:02:59,380 INFO L226 Difference]: Without dead ends: 9747 [2024-11-12 05:02:59,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 627 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-11-12 05:02:59,394 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 949 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:02:59,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 603 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 05:02:59,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9747 states. [2024-11-12 05:03:00,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9747 to 9511. [2024-11-12 05:03:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9511 states, 8006 states have (on average 1.3185111166625032) internal successors, (10556), 8022 states have internal predecessors, (10556), 1120 states have call successors, (1120), 384 states have call predecessors, (1120), 384 states have return successors, (1120), 1104 states have call predecessors, (1120), 1120 states have call successors, (1120) [2024-11-12 05:03:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9511 states to 9511 states and 12796 transitions. [2024-11-12 05:03:00,408 INFO L78 Accepts]: Start accepts. Automaton has 9511 states and 12796 transitions. Word has length 275 [2024-11-12 05:03:00,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:03:00,409 INFO L471 AbstractCegarLoop]: Abstraction has 9511 states and 12796 transitions. [2024-11-12 05:03:00,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 4 states have call predecessors, (110), 4 states have call successors, (110) [2024-11-12 05:03:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 9511 states and 12796 transitions. [2024-11-12 05:03:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-12 05:03:00,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:03:00,417 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:03:00,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 05:03:00,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-12 05:03:00,618 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:03:00,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:03:00,619 INFO L85 PathProgramCache]: Analyzing trace with hash -6304768, now seen corresponding path program 1 times [2024-11-12 05:03:00,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:03:00,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244432565] [2024-11-12 05:03:00,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:03:00,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:03:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:03:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:03:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:03:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:03:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:03:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:03:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:03:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:03:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:03:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:03:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:03:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:03:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:03:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:03:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:03:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:03:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:03:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:03:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:03:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:03:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:03:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:03:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:03:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:03:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:03:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:03:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:03:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:03:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:03:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:03:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:03:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:03:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:03:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:03:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:03:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:03:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:03:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:03:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:03:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:03:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 150 proven. 78 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-12 05:03:01,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:03:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244432565] [2024-11-12 05:03:01,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244432565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:03:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379613859] [2024-11-12 05:03:01,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:03:01,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:03:01,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:03:01,290 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:03:01,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 05:03:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:01,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-12 05:03:01,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:03:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2021 proven. 126 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2024-11-12 05:03:02,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:03:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 207 proven. 135 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-12 05:03:02,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379613859] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:03:02,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:03:02,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 12] total 25 [2024-11-12 05:03:02,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404039355] [2024-11-12 05:03:02,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:03:02,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-12 05:03:02,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:03:02,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-12 05:03:02,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-12 05:03:02,697 INFO L87 Difference]: Start difference. First operand 9511 states and 12796 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 23 states have internal predecessors, (163), 9 states have call successors, (96), 4 states have call predecessors, (96), 9 states have return successors, (98), 9 states have call predecessors, (98), 9 states have call successors, (98) [2024-11-12 05:03:07,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:03:07,145 INFO L93 Difference]: Finished difference Result 33436 states and 44302 transitions. [2024-11-12 05:03:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-12 05:03:07,146 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 23 states have internal predecessors, (163), 9 states have call successors, (96), 4 states have call predecessors, (96), 9 states have return successors, (98), 9 states have call predecessors, (98), 9 states have call successors, (98) Word has length 275 [2024-11-12 05:03:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:03:07,280 INFO L225 Difference]: With dead ends: 33436 [2024-11-12 05:03:07,280 INFO L226 Difference]: Without dead ends: 23928 [2024-11-12 05:03:07,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 622 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1682, Invalid=4324, Unknown=0, NotChecked=0, Total=6006 [2024-11-12 05:03:07,306 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 3413 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:03:07,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 1528 Invalid, 1895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 05:03:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23928 states. [2024-11-12 05:03:08,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23928 to 11119. [2024-11-12 05:03:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11119 states, 10190 states have (on average 1.3609421000981354) internal successors, (13868), 10190 states have internal predecessors, (13868), 640 states have call successors, (640), 288 states have call predecessors, (640), 288 states have return successors, (640), 640 states have call predecessors, (640), 640 states have call successors, (640) [2024-11-12 05:03:08,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11119 states to 11119 states and 15148 transitions. [2024-11-12 05:03:08,390 INFO L78 Accepts]: Start accepts. Automaton has 11119 states and 15148 transitions. Word has length 275 [2024-11-12 05:03:08,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:03:08,391 INFO L471 AbstractCegarLoop]: Abstraction has 11119 states and 15148 transitions. [2024-11-12 05:03:08,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 23 states have internal predecessors, (163), 9 states have call successors, (96), 4 states have call predecessors, (96), 9 states have return successors, (98), 9 states have call predecessors, (98), 9 states have call successors, (98) [2024-11-12 05:03:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 11119 states and 15148 transitions. [2024-11-12 05:03:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-12 05:03:08,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:03:08,401 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:03:08,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 05:03:08,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:03:08,608 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:03:08,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:03:08,608 INFO L85 PathProgramCache]: Analyzing trace with hash 298950667, now seen corresponding path program 1 times [2024-11-12 05:03:08,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:03:08,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662185500] [2024-11-12 05:03:08,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:03:08,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:03:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:03:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:03:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:03:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 05:03:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:03:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:03:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:03:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:03:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:03:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:03:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:03:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:03:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 05:03:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:03:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:03:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:03:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:03:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:03:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:03:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:03:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:03:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:03:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:03:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:03:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:03:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:03:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:03:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:03:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:03:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:03:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:03:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 05:03:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:03:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 05:03:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:03:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 05:03:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-12 05:03:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-12 05:03:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 05:03:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 05:03:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:03:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 05:03:08,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:03:08,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662185500] [2024-11-12 05:03:08,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662185500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:03:08,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:03:08,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 05:03:08,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939740316] [2024-11-12 05:03:08,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:03:08,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 05:03:08,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:03:08,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 05:03:08,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:03:08,785 INFO L87 Difference]: Start difference. First operand 11119 states and 15148 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)