./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_operatoramount_amount500_file-6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1b5e238bcd4ee535bf9e96af21caceeb3a2a173bd89e8e32df2f3ba7f05dd4a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:01:20,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:01:20,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 01:01:20,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:01:20,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:01:20,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:01:20,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:01:20,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:01:20,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:01:20,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:01:20,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:01:20,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:01:20,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:01:20,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:01:20,241 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:01:20,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:01:20,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:01:20,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:01:20,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:01:20,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:01:20,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:01:20,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:01:20,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:01:20,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:01:20,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:01:20,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:01:20,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:01:20,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:01:20,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:01:20,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:01:20,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:01:20,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:01:20,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:01:20,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:01:20,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:01:20,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:01:20,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 01:01:20,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:01:20,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:01:20,254 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:01:20,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:01:20,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:01:20,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b5e238bcd4ee535bf9e96af21caceeb3a2a173bd89e8e32df2f3ba7f05dd4a [2024-11-09 01:01:20,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:01:20,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:01:20,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:01:20,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:01:20,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:01:20,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i [2024-11-09 01:01:22,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:01:22,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:01:22,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i [2024-11-09 01:01:22,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ef476e6/3a9e822d3ef14d7e85221312c6eb8e94/FLAG038152385 [2024-11-09 01:01:22,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ef476e6/3a9e822d3ef14d7e85221312c6eb8e94 [2024-11-09 01:01:22,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:01:22,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:01:22,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:22,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:01:22,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:01:22,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:22" (1/1) ... [2024-11-09 01:01:22,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2d875f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:22, skipping insertion in model container [2024-11-09 01:01:22,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:22" (1/1) ... [2024-11-09 01:01:22,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:01:22,780 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_operatoramount_amount500_file-6.i[915,928] [2024-11-09 01:01:23,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:23,113 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:01:23,130 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_operatoramount_amount500_file-6.i[915,928] [2024-11-09 01:01:23,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:23,260 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:01:23,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23 WrapperNode [2024-11-09 01:01:23,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:23,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:23,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:01:23,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:01:23,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,387 INFO L138 Inliner]: procedures = 26, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 629 [2024-11-09 01:01:23,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:23,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:01:23,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:01:23,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:01:23,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,529 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]. [2024-11-09 01:01:23,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:01:23,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:01:23,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:01:23,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:01:23,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (1/1) ... [2024-11-09 01:01:23,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:01:23,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:01:23,657 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) [2024-11-09 01:01:23,660 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 [2024-11-09 01:01:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:01:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:01:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:01:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 01:01:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:01:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:01:23,858 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:01:23,862 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:01:25,116 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-09 01:01:25,117 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:01:25,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:01:25,144 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:01:25,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:25 BoogieIcfgContainer [2024-11-09 01:01:25,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:01:25,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:01:25,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:01:25,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:01:25,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:01:22" (1/3) ... [2024-11-09 01:01:25,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1541262b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:01:25, skipping insertion in model container [2024-11-09 01:01:25,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:23" (2/3) ... [2024-11-09 01:01:25,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1541262b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:01:25, skipping insertion in model container [2024-11-09 01:01:25,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:25" (3/3) ... [2024-11-09 01:01:25,155 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-6.i [2024-11-09 01:01:25,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:01:25,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:01:25,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:01:25,272 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;@5009b02f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:01:25,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:01:25,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 237 states, 177 states have (on average 1.576271186440678) internal successors, (279), 178 states have internal predecessors, (279), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 01:01:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-09 01:01:25,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:25,333 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:25,334 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:25,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:25,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1265523210, now seen corresponding path program 1 times [2024-11-09 01:01:25,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:25,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91118651] [2024-11-09 01:01:25,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:26,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:26,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91118651] [2024-11-09 01:01:26,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91118651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:26,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:26,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:01:26,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893703218] [2024-11-09 01:01:26,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:26,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:01:26,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:26,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:01:26,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:01:26,542 INFO L87 Difference]: Start difference. First operand has 237 states, 177 states have (on average 1.576271186440678) internal successors, (279), 178 states have internal predecessors, (279), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-09 01:01:26,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:26,617 INFO L93 Difference]: Finished difference Result 466 states and 835 transitions. [2024-11-09 01:01:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:01:26,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) Word has length 408 [2024-11-09 01:01:26,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:26,637 INFO L225 Difference]: With dead ends: 466 [2024-11-09 01:01:26,638 INFO L226 Difference]: Without dead ends: 232 [2024-11-09 01:01:26,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:01:26,653 INFO L432 NwaCegarLoop]: 383 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, 383 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 [2024-11-09 01:01:26,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:01:26,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-09 01:01:26,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-09 01:01:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 173 states have (on average 1.5549132947976878) internal successors, (269), 173 states have internal predecessors, (269), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 01:01:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 383 transitions. [2024-11-09 01:01:26,745 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 383 transitions. Word has length 408 [2024-11-09 01:01:26,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:26,746 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 383 transitions. [2024-11-09 01:01:26,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-09 01:01:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 383 transitions. [2024-11-09 01:01:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-09 01:01:26,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:26,763 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:26,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:01:26,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:26,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:26,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1431247416, now seen corresponding path program 1 times [2024-11-09 01:01:26,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:26,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482339941] [2024-11-09 01:01:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:26,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:27,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:27,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482339941] [2024-11-09 01:01:27,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482339941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:27,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:27,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:01:27,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686972144] [2024-11-09 01:01:27,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:27,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:01:27,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:27,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:01:27,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:27,458 INFO L87 Difference]: Start difference. First operand 232 states and 383 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:27,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:27,593 INFO L93 Difference]: Finished difference Result 653 states and 1079 transitions. [2024-11-09 01:01:27,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:01:27,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-09 01:01:27,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:27,604 INFO L225 Difference]: With dead ends: 653 [2024-11-09 01:01:27,604 INFO L226 Difference]: Without dead ends: 424 [2024-11-09 01:01:27,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:27,609 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 307 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:27,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 841 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:01:27,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-09 01:01:27,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 421. [2024-11-09 01:01:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 322 states have (on average 1.5590062111801242) internal successors, (502), 323 states have internal predecessors, (502), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-09 01:01:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 694 transitions. [2024-11-09 01:01:27,671 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 694 transitions. Word has length 408 [2024-11-09 01:01:27,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:27,677 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 694 transitions. [2024-11-09 01:01:27,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 694 transitions. [2024-11-09 01:01:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-09 01:01:27,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:27,687 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:27,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:01:27,687 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:27,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:27,688 INFO L85 PathProgramCache]: Analyzing trace with hash 373409338, now seen corresponding path program 1 times [2024-11-09 01:01:27,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:27,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342445706] [2024-11-09 01:01:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:28,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:28,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342445706] [2024-11-09 01:01:28,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342445706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:28,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:28,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:01:28,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855648215] [2024-11-09 01:01:28,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:28,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:01:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:28,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:01:28,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:28,409 INFO L87 Difference]: Start difference. First operand 421 states and 694 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:28,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:28,538 INFO L93 Difference]: Finished difference Result 1257 states and 2076 transitions. [2024-11-09 01:01:28,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:01:28,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-09 01:01:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:28,553 INFO L225 Difference]: With dead ends: 1257 [2024-11-09 01:01:28,553 INFO L226 Difference]: Without dead ends: 839 [2024-11-09 01:01:28,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:28,558 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 374 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:28,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 976 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:01:28,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-09 01:01:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 837. [2024-11-09 01:01:28,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 640 states have (on average 1.55) internal successors, (992), 642 states have internal predecessors, (992), 192 states have call successors, (192), 4 states have call predecessors, (192), 4 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-09 01:01:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1376 transitions. [2024-11-09 01:01:28,698 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1376 transitions. Word has length 408 [2024-11-09 01:01:28,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:28,700 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1376 transitions. [2024-11-09 01:01:28,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1376 transitions. [2024-11-09 01:01:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-09 01:01:28,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:28,707 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:28,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:01:28,708 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:28,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:28,709 INFO L85 PathProgramCache]: Analyzing trace with hash 854489596, now seen corresponding path program 1 times [2024-11-09 01:01:28,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:28,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809427212] [2024-11-09 01:01:28,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:28,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:29,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:29,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809427212] [2024-11-09 01:01:29,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809427212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:29,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:29,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:01:29,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33285316] [2024-11-09 01:01:29,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:29,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:01:29,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:29,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:01:29,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:29,233 INFO L87 Difference]: Start difference. First operand 837 states and 1376 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:29,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:29,392 INFO L93 Difference]: Finished difference Result 2497 states and 4106 transitions. [2024-11-09 01:01:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:01:29,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-09 01:01:29,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:29,406 INFO L225 Difference]: With dead ends: 2497 [2024-11-09 01:01:29,407 INFO L226 Difference]: Without dead ends: 1663 [2024-11-09 01:01:29,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:29,412 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 362 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:29,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 996 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:01:29,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2024-11-09 01:01:29,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 915. [2024-11-09 01:01:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 718 states have (on average 1.5571030640668524) internal successors, (1118), 720 states have internal predecessors, (1118), 192 states have call successors, (192), 4 states have call predecessors, (192), 4 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-09 01:01:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1502 transitions. [2024-11-09 01:01:29,554 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1502 transitions. Word has length 408 [2024-11-09 01:01:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:29,556 INFO L471 AbstractCegarLoop]: Abstraction has 915 states and 1502 transitions. [2024-11-09 01:01:29,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1502 transitions. [2024-11-09 01:01:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-09 01:01:29,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:29,566 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:29,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 01:01:29,567 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:29,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:29,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1556089470, now seen corresponding path program 1 times [2024-11-09 01:01:29,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:29,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453754381] [2024-11-09 01:01:29,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:30,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:30,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453754381] [2024-11-09 01:01:30,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453754381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:30,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:30,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:01:30,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488791865] [2024-11-09 01:01:30,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:30,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:01:30,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:30,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:01:30,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:30,164 INFO L87 Difference]: Start difference. First operand 915 states and 1502 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:30,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:30,341 INFO L93 Difference]: Finished difference Result 2711 states and 4444 transitions. [2024-11-09 01:01:30,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:01:30,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-09 01:01:30,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:30,354 INFO L225 Difference]: With dead ends: 2711 [2024-11-09 01:01:30,354 INFO L226 Difference]: Without dead ends: 1799 [2024-11-09 01:01:30,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:30,359 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 311 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:30,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 718 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:01:30,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2024-11-09 01:01:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1797. [2024-11-09 01:01:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1404 states have (on average 1.5256410256410255) internal successors, (2142), 1408 states have internal predecessors, (2142), 384 states have call successors, (384), 8 states have call predecessors, (384), 8 states have return successors, (384), 380 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-09 01:01:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2910 transitions. [2024-11-09 01:01:30,510 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2910 transitions. Word has length 408 [2024-11-09 01:01:30,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:30,511 INFO L471 AbstractCegarLoop]: Abstraction has 1797 states and 2910 transitions. [2024-11-09 01:01:30,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2910 transitions. [2024-11-09 01:01:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-09 01:01:30,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:30,519 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:30,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 01:01:30,520 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:30,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:30,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1293809282, now seen corresponding path program 1 times [2024-11-09 01:01:30,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:30,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765189553] [2024-11-09 01:01:30,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:30,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:31,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:31,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765189553] [2024-11-09 01:01:31,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765189553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:31,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:31,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:01:31,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952941908] [2024-11-09 01:01:31,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:31,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:01:31,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:31,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:01:31,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:31,003 INFO L87 Difference]: Start difference. First operand 1797 states and 2910 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:31,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:31,255 INFO L93 Difference]: Finished difference Result 5365 states and 8684 transitions. [2024-11-09 01:01:31,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:01:31,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-09 01:01:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:31,276 INFO L225 Difference]: With dead ends: 5365 [2024-11-09 01:01:31,277 INFO L226 Difference]: Without dead ends: 3571 [2024-11-09 01:01:31,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:31,284 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 367 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:31,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 749 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:01:31,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2024-11-09 01:01:31,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 3177. [2024-11-09 01:01:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 2392 states have (on average 1.4987458193979932) internal successors, (3585), 2400 states have internal predecessors, (3585), 768 states have call successors, (768), 16 states have call predecessors, (768), 16 states have return successors, (768), 760 states have call predecessors, (768), 768 states have call successors, (768) [2024-11-09 01:01:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 5121 transitions. [2024-11-09 01:01:31,570 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 5121 transitions. Word has length 408 [2024-11-09 01:01:31,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:31,571 INFO L471 AbstractCegarLoop]: Abstraction has 3177 states and 5121 transitions. [2024-11-09 01:01:31,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 5121 transitions. [2024-11-09 01:01:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-09 01:01:31,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:31,579 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:31,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 01:01:31,579 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:31,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:31,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1990040764, now seen corresponding path program 1 times [2024-11-09 01:01:31,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:31,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815381733] [2024-11-09 01:01:31,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:31,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:32,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:32,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815381733] [2024-11-09 01:01:32,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815381733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:32,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:32,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:01:32,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354740461] [2024-11-09 01:01:32,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:32,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:01:32,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:32,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:01:32,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:01:32,866 INFO L87 Difference]: Start difference. First operand 3177 states and 5121 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:33,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:33,382 INFO L93 Difference]: Finished difference Result 7708 states and 12406 transitions. [2024-11-09 01:01:33,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:01:33,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-09 01:01:33,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:33,413 INFO L225 Difference]: With dead ends: 7708 [2024-11-09 01:01:33,413 INFO L226 Difference]: Without dead ends: 4534 [2024-11-09 01:01:33,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:01:33,427 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 316 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:33,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1502 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:01:33,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2024-11-09 01:01:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 3281. [2024-11-09 01:01:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3281 states, 2437 states have (on average 1.4903569963069347) internal successors, (3632), 2445 states have internal predecessors, (3632), 825 states have call successors, (825), 18 states have call predecessors, (825), 18 states have return successors, (825), 817 states have call predecessors, (825), 825 states have call successors, (825) [2024-11-09 01:01:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 5282 transitions. [2024-11-09 01:01:33,919 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 5282 transitions. Word has length 408 [2024-11-09 01:01:33,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:33,920 INFO L471 AbstractCegarLoop]: Abstraction has 3281 states and 5282 transitions. [2024-11-09 01:01:33,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 5282 transitions. [2024-11-09 01:01:33,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-09 01:01:33,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:33,928 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:33,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 01:01:33,928 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:33,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:33,929 INFO L85 PathProgramCache]: Analyzing trace with hash -607304994, now seen corresponding path program 1 times [2024-11-09 01:01:33,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:33,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588489156] [2024-11-09 01:01:33,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:33,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:35,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:35,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588489156] [2024-11-09 01:01:35,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588489156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:35,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:35,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:01:35,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051320015] [2024-11-09 01:01:35,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:35,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:01:35,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:35,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:01:35,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:35,051 INFO L87 Difference]: Start difference. First operand 3281 states and 5282 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:35,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:35,537 INFO L93 Difference]: Finished difference Result 9445 states and 15229 transitions. [2024-11-09 01:01:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:01:35,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 409 [2024-11-09 01:01:35,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:35,588 INFO L225 Difference]: With dead ends: 9445 [2024-11-09 01:01:35,588 INFO L226 Difference]: Without dead ends: 6271 [2024-11-09 01:01:35,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:35,607 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 263 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:35,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 908 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:01:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6271 states. [2024-11-09 01:01:36,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6271 to 6205. [2024-11-09 01:01:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6205 states, 4577 states have (on average 1.4756390648896658) internal successors, (6754), 4593 states have internal predecessors, (6754), 1593 states have call successors, (1593), 34 states have call predecessors, (1593), 34 states have return successors, (1593), 1577 states have call predecessors, (1593), 1593 states have call successors, (1593) [2024-11-09 01:01:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6205 states to 6205 states and 9940 transitions. [2024-11-09 01:01:36,332 INFO L78 Accepts]: Start accepts. Automaton has 6205 states and 9940 transitions. Word has length 409 [2024-11-09 01:01:36,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:36,333 INFO L471 AbstractCegarLoop]: Abstraction has 6205 states and 9940 transitions. [2024-11-09 01:01:36,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 9940 transitions. [2024-11-09 01:01:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-09 01:01:36,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:36,342 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:36,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 01:01:36,343 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:36,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:36,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1201866854, now seen corresponding path program 1 times [2024-11-09 01:01:36,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:36,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175830104] [2024-11-09 01:01:36,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:36,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:37,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:37,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175830104] [2024-11-09 01:01:37,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175830104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:37,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:37,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:01:37,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941809532] [2024-11-09 01:01:37,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:37,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:01:37,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:37,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:01:37,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:37,447 INFO L87 Difference]: Start difference. First operand 6205 states and 9940 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:37,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:37,988 INFO L93 Difference]: Finished difference Result 15353 states and 24622 transitions. [2024-11-09 01:01:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:01:37,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-09 01:01:37,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:38,076 INFO L225 Difference]: With dead ends: 15353 [2024-11-09 01:01:38,077 INFO L226 Difference]: Without dead ends: 9255 [2024-11-09 01:01:38,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:38,106 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 249 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:38,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 741 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:01:38,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9255 states. [2024-11-09 01:01:38,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9255 to 9253. [2024-11-09 01:01:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9253 states, 6841 states have (on average 1.4753690980850753) internal successors, (10093), 6865 states have internal predecessors, (10093), 2361 states have call successors, (2361), 50 states have call predecessors, (2361), 50 states have return successors, (2361), 2337 states have call predecessors, (2361), 2361 states have call successors, (2361) [2024-11-09 01:01:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9253 states to 9253 states and 14815 transitions. [2024-11-09 01:01:38,974 INFO L78 Accepts]: Start accepts. Automaton has 9253 states and 14815 transitions. Word has length 410 [2024-11-09 01:01:38,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:38,975 INFO L471 AbstractCegarLoop]: Abstraction has 9253 states and 14815 transitions. [2024-11-09 01:01:38,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 9253 states and 14815 transitions. [2024-11-09 01:01:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-09 01:01:38,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:38,989 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:38,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 01:01:38,989 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:38,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:38,990 INFO L85 PathProgramCache]: Analyzing trace with hash -160125800, now seen corresponding path program 1 times [2024-11-09 01:01:38,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:38,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727105607] [2024-11-09 01:01:38,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:38,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:40,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727105607] [2024-11-09 01:01:40,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727105607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:40,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:40,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:01:40,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471617880] [2024-11-09 01:01:40,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:40,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:01:40,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:40,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:01:40,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:40,097 INFO L87 Difference]: Start difference. First operand 9253 states and 14815 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:40,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:40,849 INFO L93 Difference]: Finished difference Result 18377 states and 29407 transitions. [2024-11-09 01:01:40,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:01:40,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-09 01:01:40,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:40,913 INFO L225 Difference]: With dead ends: 18377 [2024-11-09 01:01:40,914 INFO L226 Difference]: Without dead ends: 9231 [2024-11-09 01:01:40,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:01:40,958 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 155 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:40,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 809 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:01:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9231 states. [2024-11-09 01:01:41,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9231 to 9217. [2024-11-09 01:01:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9217 states, 6877 states have (on average 1.4746255634724443) internal successors, (10141), 6901 states have internal predecessors, (10141), 2277 states have call successors, (2277), 62 states have call predecessors, (2277), 62 states have return successors, (2277), 2253 states have call predecessors, (2277), 2277 states have call successors, (2277) [2024-11-09 01:01:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9217 states to 9217 states and 14695 transitions. [2024-11-09 01:01:41,948 INFO L78 Accepts]: Start accepts. Automaton has 9217 states and 14695 transitions. Word has length 410 [2024-11-09 01:01:41,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:41,949 INFO L471 AbstractCegarLoop]: Abstraction has 9217 states and 14695 transitions. [2024-11-09 01:01:41,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 9217 states and 14695 transitions. [2024-11-09 01:01:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-09 01:01:41,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:41,960 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:41,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 01:01:41,960 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:41,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:41,961 INFO L85 PathProgramCache]: Analyzing trace with hash -2049172832, now seen corresponding path program 1 times [2024-11-09 01:01:41,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:41,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327981089] [2024-11-09 01:01:41,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:44,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:44,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327981089] [2024-11-09 01:01:44,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327981089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:44,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:44,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:01:44,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670805963] [2024-11-09 01:01:44,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:44,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:01:44,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:44,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:01:44,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:01:44,528 INFO L87 Difference]: Start difference. First operand 9217 states and 14695 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:46,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:46,333 INFO L93 Difference]: Finished difference Result 30073 states and 47606 transitions. [2024-11-09 01:01:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:01:46,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-09 01:01:46,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:46,452 INFO L225 Difference]: With dead ends: 30073 [2024-11-09 01:01:46,453 INFO L226 Difference]: Without dead ends: 20963 [2024-11-09 01:01:46,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:01:46,497 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 400 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:46,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1593 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 01:01:46,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20963 states. [2024-11-09 01:01:48,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20963 to 16975. [2024-11-09 01:01:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16975 states, 12895 states have (on average 1.4829778984102364) internal successors, (19123), 12967 states have internal predecessors, (19123), 3957 states have call successors, (3957), 122 states have call predecessors, (3957), 122 states have return successors, (3957), 3885 states have call predecessors, (3957), 3957 states have call successors, (3957) [2024-11-09 01:01:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16975 states to 16975 states and 27037 transitions. [2024-11-09 01:01:48,436 INFO L78 Accepts]: Start accepts. Automaton has 16975 states and 27037 transitions. Word has length 410 [2024-11-09 01:01:48,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:48,437 INFO L471 AbstractCegarLoop]: Abstraction has 16975 states and 27037 transitions. [2024-11-09 01:01:48,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:48,438 INFO L276 IsEmpty]: Start isEmpty. Operand 16975 states and 27037 transitions. [2024-11-09 01:01:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-09 01:01:48,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:48,456 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:48,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 01:01:48,456 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:48,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:48,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1369114462, now seen corresponding path program 1 times [2024-11-09 01:01:48,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:48,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878945744] [2024-11-09 01:01:48,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:48,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:01:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:01:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:01:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:01:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:01:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:01:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:01:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:01:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:01:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:01:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:01:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:01:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:01:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:01:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:01:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:01:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:01:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:01:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:01:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:01:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:01:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:01:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:01:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:01:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:01:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:01:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:01:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:01:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:01:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:01:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:01:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:01:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:01:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:01:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:01:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:01:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:01:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:01:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:01:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:01:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:01:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:01:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:01:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:01:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:01:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:01:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:01:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:01:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:01:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:01:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:01:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:01:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:01:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:01:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:01:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:01:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:01:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:01:50,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:01:50,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878945744] [2024-11-09 01:01:50,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878945744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:01:50,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:01:50,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:01:50,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214030269] [2024-11-09 01:01:50,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:01:50,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:01:50,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:01:50,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:01:50,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:01:50,721 INFO L87 Difference]: Start difference. First operand 16975 states and 27037 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:53,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:01:53,305 INFO L93 Difference]: Finished difference Result 55155 states and 87638 transitions. [2024-11-09 01:01:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:01:53,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-09 01:01:53,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:01:53,486 INFO L225 Difference]: With dead ends: 55155 [2024-11-09 01:01:53,486 INFO L226 Difference]: Without dead ends: 38285 [2024-11-09 01:01:53,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:01:53,539 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 552 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:01:53,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1125 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:01:53,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38285 states. [2024-11-09 01:01:56,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38285 to 33589. [2024-11-09 01:01:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33589 states, 25489 states have (on average 1.4763231197771587) internal successors, (37630), 25633 states have internal predecessors, (37630), 7857 states have call successors, (7857), 242 states have call predecessors, (7857), 242 states have return successors, (7857), 7713 states have call predecessors, (7857), 7857 states have call successors, (7857) [2024-11-09 01:01:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33589 states to 33589 states and 53344 transitions. [2024-11-09 01:01:57,028 INFO L78 Accepts]: Start accepts. Automaton has 33589 states and 53344 transitions. Word has length 410 [2024-11-09 01:01:57,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:01:57,029 INFO L471 AbstractCegarLoop]: Abstraction has 33589 states and 53344 transitions. [2024-11-09 01:01:57,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-09 01:01:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 33589 states and 53344 transitions. [2024-11-09 01:01:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-09 01:01:57,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:01:57,047 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:01:57,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 01:01:57,048 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:01:57,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:57,048 INFO L85 PathProgramCache]: Analyzing trace with hash 967278048, now seen corresponding path program 1 times [2024-11-09 01:01:57,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:01:57,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486857696] [2024-11-09 01:01:57,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:01:57,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:02:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:02:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:02:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:02:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:02:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 01:02:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:02:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 01:02:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:02:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 01:02:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:02:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 01:02:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:02:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 01:02:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:02:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 01:02:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 01:02:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 01:02:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 01:02:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 01:02:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 01:02:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 01:02:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 01:02:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 01:02:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 01:02:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 01:02:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 01:02:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 01:02:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 01:02:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 01:02:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 01:02:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 01:02:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 01:02:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 01:02:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 01:02:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 01:02:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 01:02:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 01:02:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 01:02:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 01:02:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 01:02:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 01:02:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 01:02:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-09 01:02:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 01:02:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 01:02:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 01:02:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-09 01:02:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 01:02:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 01:02:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-09 01:02:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 01:02:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 01:02:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 01:02:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 01:02:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-09 01:02:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-09 01:02:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-09 01:02:01,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:02:01,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486857696] [2024-11-09 01:02:01,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486857696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:02:01,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:02:01,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 01:02:01,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481871702] [2024-11-09 01:02:01,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:02:01,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 01:02:01,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:02:01,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 01:02:01,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-09 01:02:01,675 INFO L87 Difference]: Start difference. First operand 33589 states and 53344 transitions. Second operand has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 12 states have internal predecessors, (128), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-09 01:02:10,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:02:10,234 INFO L93 Difference]: Finished difference Result 128099 states and 201688 transitions. [2024-11-09 01:02:10,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 01:02:10,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 12 states have internal predecessors, (128), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 410 [2024-11-09 01:02:10,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:02:10,734 INFO L225 Difference]: With dead ends: 128099 [2024-11-09 01:02:10,734 INFO L226 Difference]: Without dead ends: 94617 [2024-11-09 01:02:10,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-09 01:02:10,844 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 2619 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 2836 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 01:02:10,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 2836 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [557 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 01:02:10,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94617 states. [2024-11-09 01:02:18,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94617 to 93941. [2024-11-09 01:02:19,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93941 states, 72808 states have (on average 1.4688358422151413) internal successors, (106943), 73288 states have internal predecessors, (106943), 20073 states have call successors, (20073), 1059 states have call predecessors, (20073), 1059 states have return successors, (20073), 19593 states have call predecessors, (20073), 20073 states have call successors, (20073) [2024-11-09 01:02:19,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93941 states to 93941 states and 147089 transitions. [2024-11-09 01:02:19,575 INFO L78 Accepts]: Start accepts. Automaton has 93941 states and 147089 transitions. Word has length 410 [2024-11-09 01:02:19,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:02:19,576 INFO L471 AbstractCegarLoop]: Abstraction has 93941 states and 147089 transitions. [2024-11-09 01:02:19,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 12 states have internal predecessors, (128), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-09 01:02:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 93941 states and 147089 transitions. [2024-11-09 01:02:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-09 01:02:19,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:02:19,956 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:02:19,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 01:02:19,961 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:02:19,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:02:19,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1429475618, now seen corresponding path program 1 times [2024-11-09 01:02:19,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:02:19,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607352822] [2024-11-09 01:02:19,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:02:19,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat