./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-75.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_amount250_file-75.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 311a2cdae2c2df32faf83bfc23f839881789d5600e175ca88e61c5767354eb62 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:43:09,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:43:09,480 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:43:09,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:43:09,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:43:09,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:43:09,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:43:09,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:43:09,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:43:09,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:43:09,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:43:09,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:43:09,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:43:09,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:43:09,535 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:43:09,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:43:09,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:43:09,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:43:09,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:43:09,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:43:09,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:43:09,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:43:09,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:43:09,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:43:09,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:43:09,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:43:09,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:43:09,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:43:09,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:43:09,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:43:09,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:43:09,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:43:09,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:43:09,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:43:09,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:43:09,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:43:09,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:43:09,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:43:09,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:43:09,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:43:09,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:43:09,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:43:09,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 311a2cdae2c2df32faf83bfc23f839881789d5600e175ca88e61c5767354eb62 [2024-11-09 00:43:09,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:43:09,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:43:09,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:43:09,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:43:09,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:43:09,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-75.i [2024-11-09 00:43:11,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:43:11,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:43:11,533 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-75.i [2024-11-09 00:43:11,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebfd0a33/1d379a273c9842738e50828c6363c872/FLAGe89e40e08 [2024-11-09 00:43:11,863 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebfd0a33/1d379a273c9842738e50828c6363c872 [2024-11-09 00:43:11,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:43:11,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:43:11,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:11,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:43:11,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:43:11,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:11" (1/1) ... [2024-11-09 00:43:11,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1787e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:11, skipping insertion in model container [2024-11-09 00:43:11,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:11" (1/1) ... [2024-11-09 00:43:11,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:43:12,119 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_amount250_file-75.i[916,929] [2024-11-09 00:43:12,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:12,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:43:12,286 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_amount250_file-75.i[916,929] [2024-11-09 00:43:12,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:12,378 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:43:12,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12 WrapperNode [2024-11-09 00:43:12,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:12,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:12,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:43:12,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:43:12,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,472 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 507 [2024-11-09 00:43:12,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:12,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:43:12,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:43:12,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:43:12,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,548 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 00:43:12,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:43:12,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:43:12,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:43:12,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:43:12,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (1/1) ... [2024-11-09 00:43:12,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:43:12,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:43:12,682 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 00:43:12,686 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 00:43:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:43:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:43:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:43:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:43:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:43:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:43:12,852 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:43:12,854 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:43:13,712 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-09 00:43:13,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:43:13,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:43:13,743 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:43:13,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:13 BoogieIcfgContainer [2024-11-09 00:43:13,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:43:13,747 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:43:13,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:43:13,750 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:43:13,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:43:11" (1/3) ... [2024-11-09 00:43:13,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d73c9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:43:13, skipping insertion in model container [2024-11-09 00:43:13,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:12" (2/3) ... [2024-11-09 00:43:13,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d73c9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:43:13, skipping insertion in model container [2024-11-09 00:43:13,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:13" (3/3) ... [2024-11-09 00:43:13,754 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-75.i [2024-11-09 00:43:13,770 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:43:13,770 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:43:13,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:43:13,852 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;@5fb5148d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:43:13,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:43:13,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 157 states have (on average 1.5222929936305734) internal successors, (239), 158 states have internal predecessors, (239), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 00:43:13,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-09 00:43:13,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:13,884 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:13,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:13,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:13,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1801396716, now seen corresponding path program 1 times [2024-11-09 00:43:13,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:13,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090271095] [2024-11-09 00:43:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:13,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:14,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:14,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090271095] [2024-11-09 00:43:14,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090271095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:14,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:14,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:43:14,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602246390] [2024-11-09 00:43:14,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:14,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:43:14,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:14,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:43:14,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:43:14,815 INFO L87 Difference]: Start difference. First operand has 200 states, 157 states have (on average 1.5222929936305734) internal successors, (239), 158 states have internal predecessors, (239), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-09 00:43:14,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:14,936 INFO L93 Difference]: Finished difference Result 393 states and 672 transitions. [2024-11-09 00:43:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:43:14,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 273 [2024-11-09 00:43:14,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:14,953 INFO L225 Difference]: With dead ends: 393 [2024-11-09 00:43:14,953 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 00:43:14,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:43:14,966 INFO L432 NwaCegarLoop]: 311 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, 311 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 00:43:14,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:43:14,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 00:43:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-09 00:43:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 154 states have (on average 1.5) internal successors, (231), 154 states have internal predecessors, (231), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 00:43:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 311 transitions. [2024-11-09 00:43:15,051 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 311 transitions. Word has length 273 [2024-11-09 00:43:15,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:15,052 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 311 transitions. [2024-11-09 00:43:15,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-09 00:43:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 311 transitions. [2024-11-09 00:43:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-09 00:43:15,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:15,063 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:15,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:43:15,065 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:15,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:15,069 INFO L85 PathProgramCache]: Analyzing trace with hash 683101716, now seen corresponding path program 1 times [2024-11-09 00:43:15,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:15,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892305902] [2024-11-09 00:43:15,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:15,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:15,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:16,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:16,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:16,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:16,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:16,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:16,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892305902] [2024-11-09 00:43:16,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892305902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:16,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:16,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 00:43:16,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454305736] [2024-11-09 00:43:16,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:16,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 00:43:16,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:16,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 00:43:16,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:43:16,090 INFO L87 Difference]: Start difference. First operand 196 states and 311 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:16,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:16,659 INFO L93 Difference]: Finished difference Result 584 states and 930 transitions. [2024-11-09 00:43:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 00:43:16,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 273 [2024-11-09 00:43:16,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:16,666 INFO L225 Difference]: With dead ends: 584 [2024-11-09 00:43:16,669 INFO L226 Difference]: Without dead ends: 391 [2024-11-09 00:43:16,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-09 00:43:16,672 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 231 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:16,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 1315 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 00:43:16,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-09 00:43:16,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 297. [2024-11-09 00:43:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 214 states have (on average 1.4626168224299065) internal successors, (313), 214 states have internal predecessors, (313), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 00:43:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 473 transitions. [2024-11-09 00:43:16,726 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 473 transitions. Word has length 273 [2024-11-09 00:43:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:16,729 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 473 transitions. [2024-11-09 00:43:16,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 473 transitions. [2024-11-09 00:43:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-09 00:43:16,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:16,736 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:16,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:43:16,736 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:16,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:16,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2069305110, now seen corresponding path program 1 times [2024-11-09 00:43:16,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:16,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672135673] [2024-11-09 00:43:16,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:16,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:17,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:17,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672135673] [2024-11-09 00:43:17,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672135673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:17,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:17,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:43:17,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488551990] [2024-11-09 00:43:17,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:17,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:43:17,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:17,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:43:17,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:17,466 INFO L87 Difference]: Start difference. First operand 297 states and 473 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:17,858 INFO L93 Difference]: Finished difference Result 584 states and 929 transitions. [2024-11-09 00:43:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:43:17,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 273 [2024-11-09 00:43:17,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:17,866 INFO L225 Difference]: With dead ends: 584 [2024-11-09 00:43:17,866 INFO L226 Difference]: Without dead ends: 390 [2024-11-09 00:43:17,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 00:43:17,871 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 273 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:17,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 837 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:43:17,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-09 00:43:17,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 338. [2024-11-09 00:43:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 255 states have (on average 1.5058823529411764) internal successors, (384), 255 states have internal predecessors, (384), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 00:43:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 544 transitions. [2024-11-09 00:43:17,928 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 544 transitions. Word has length 273 [2024-11-09 00:43:17,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:17,929 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 544 transitions. [2024-11-09 00:43:17,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 544 transitions. [2024-11-09 00:43:17,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-09 00:43:17,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:17,933 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:17,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 00:43:17,934 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:17,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:17,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1721223867, now seen corresponding path program 1 times [2024-11-09 00:43:17,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:17,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974145655] [2024-11-09 00:43:17,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:17,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:18,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:18,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974145655] [2024-11-09 00:43:18,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974145655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:18,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:18,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:43:18,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295227784] [2024-11-09 00:43:18,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:18,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:43:18,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:18,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:43:18,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:18,334 INFO L87 Difference]: Start difference. First operand 338 states and 544 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:18,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:18,609 INFO L93 Difference]: Finished difference Result 622 states and 994 transitions. [2024-11-09 00:43:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:43:18,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 274 [2024-11-09 00:43:18,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:18,614 INFO L225 Difference]: With dead ends: 622 [2024-11-09 00:43:18,614 INFO L226 Difference]: Without dead ends: 390 [2024-11-09 00:43:18,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 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 00:43:18,617 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 271 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:18,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 869 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:43:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-09 00:43:18,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 339. [2024-11-09 00:43:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 256 states have (on average 1.5) internal successors, (384), 256 states have internal predecessors, (384), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 00:43:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 544 transitions. [2024-11-09 00:43:18,667 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 544 transitions. Word has length 274 [2024-11-09 00:43:18,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:18,667 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 544 transitions. [2024-11-09 00:43:18,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 544 transitions. [2024-11-09 00:43:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-09 00:43:18,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:18,672 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:18,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 00:43:18,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:18,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:18,673 INFO L85 PathProgramCache]: Analyzing trace with hash -400147185, now seen corresponding path program 1 times [2024-11-09 00:43:18,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:18,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871177162] [2024-11-09 00:43:18,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:18,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:18,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:19,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:19,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871177162] [2024-11-09 00:43:19,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871177162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:19,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:19,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 00:43:19,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355785195] [2024-11-09 00:43:19,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:19,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 00:43:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:19,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 00:43:19,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:43:19,107 INFO L87 Difference]: Start difference. First operand 339 states and 544 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:19,379 INFO L93 Difference]: Finished difference Result 623 states and 993 transitions. [2024-11-09 00:43:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 00:43:19,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 275 [2024-11-09 00:43:19,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:19,382 INFO L225 Difference]: With dead ends: 623 [2024-11-09 00:43:19,383 INFO L226 Difference]: Without dead ends: 391 [2024-11-09 00:43:19,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 00:43:19,386 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 222 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:19,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 1205 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:43:19,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-09 00:43:19,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 340. [2024-11-09 00:43:19,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 257 states have (on average 1.4980544747081712) internal successors, (385), 257 states have internal predecessors, (385), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 00:43:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 545 transitions. [2024-11-09 00:43:19,422 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 545 transitions. Word has length 275 [2024-11-09 00:43:19,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:19,422 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 545 transitions. [2024-11-09 00:43:19,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:19,423 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 545 transitions. [2024-11-09 00:43:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-09 00:43:19,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:19,426 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:19,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 00:43:19,427 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:19,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:19,427 INFO L85 PathProgramCache]: Analyzing trace with hash 986056209, now seen corresponding path program 1 times [2024-11-09 00:43:19,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:19,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139447814] [2024-11-09 00:43:19,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:19,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:19,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:20,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:20,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139447814] [2024-11-09 00:43:20,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139447814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:20,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:20,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:43:20,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115710781] [2024-11-09 00:43:20,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:20,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:43:20,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:20,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:43:20,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:20,226 INFO L87 Difference]: Start difference. First operand 340 states and 545 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:20,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:20,652 INFO L93 Difference]: Finished difference Result 623 states and 992 transitions. [2024-11-09 00:43:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:43:20,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 275 [2024-11-09 00:43:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:20,655 INFO L225 Difference]: With dead ends: 623 [2024-11-09 00:43:20,655 INFO L226 Difference]: Without dead ends: 390 [2024-11-09 00:43:20,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 00:43:20,658 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 265 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:20,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 816 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:43:20,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-09 00:43:20,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 340. [2024-11-09 00:43:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 257 states have (on average 1.4941634241245136) internal successors, (384), 257 states have internal predecessors, (384), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 00:43:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 544 transitions. [2024-11-09 00:43:20,710 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 544 transitions. Word has length 275 [2024-11-09 00:43:20,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:20,713 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 544 transitions. [2024-11-09 00:43:20,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 544 transitions. [2024-11-09 00:43:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-09 00:43:20,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:20,719 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:20,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 00:43:20,719 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:20,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:20,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1704191976, now seen corresponding path program 1 times [2024-11-09 00:43:20,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:20,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166878839] [2024-11-09 00:43:20,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:20,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:21,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:21,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166878839] [2024-11-09 00:43:21,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166878839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:21,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:21,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:43:21,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221028118] [2024-11-09 00:43:21,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:21,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:43:21,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:21,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:43:21,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:21,200 INFO L87 Difference]: Start difference. First operand 340 states and 544 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:21,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:21,485 INFO L93 Difference]: Finished difference Result 833 states and 1336 transitions. [2024-11-09 00:43:21,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:43:21,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 276 [2024-11-09 00:43:21,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:21,489 INFO L225 Difference]: With dead ends: 833 [2024-11-09 00:43:21,489 INFO L226 Difference]: Without dead ends: 587 [2024-11-09 00:43:21,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 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 00:43:21,491 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 298 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:21,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1109 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:43:21,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-09 00:43:21,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 464. [2024-11-09 00:43:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 381 states have (on average 1.5223097112860893) internal successors, (580), 381 states have internal predecessors, (580), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 00:43:21,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 740 transitions. [2024-11-09 00:43:21,536 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 740 transitions. Word has length 276 [2024-11-09 00:43:21,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:21,537 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 740 transitions. [2024-11-09 00:43:21,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 740 transitions. [2024-11-09 00:43:21,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-09 00:43:21,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:21,540 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:21,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 00:43:21,541 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:21,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:21,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1280545254, now seen corresponding path program 1 times [2024-11-09 00:43:21,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:21,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575883522] [2024-11-09 00:43:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:21,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:22,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:22,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575883522] [2024-11-09 00:43:22,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575883522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:22,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:22,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 00:43:22,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585831999] [2024-11-09 00:43:22,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:22,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 00:43:22,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:22,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 00:43:22,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 00:43:22,427 INFO L87 Difference]: Start difference. First operand 464 states and 740 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:23,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:23,108 INFO L93 Difference]: Finished difference Result 1043 states and 1641 transitions. [2024-11-09 00:43:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 00:43:23,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 276 [2024-11-09 00:43:23,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:23,112 INFO L225 Difference]: With dead ends: 1043 [2024-11-09 00:43:23,112 INFO L226 Difference]: Without dead ends: 690 [2024-11-09 00:43:23,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 00:43:23,114 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 437 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:23,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1607 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 00:43:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-09 00:43:23,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 576. [2024-11-09 00:43:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 493 states have (on average 1.5294117647058822) internal successors, (754), 493 states have internal predecessors, (754), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 00:43:23,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 914 transitions. [2024-11-09 00:43:23,172 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 914 transitions. Word has length 276 [2024-11-09 00:43:23,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:23,174 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 914 transitions. [2024-11-09 00:43:23,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 914 transitions. [2024-11-09 00:43:23,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-09 00:43:23,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:23,180 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:23,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 00:43:23,180 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:23,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:23,180 INFO L85 PathProgramCache]: Analyzing trace with hash -621013732, now seen corresponding path program 1 times [2024-11-09 00:43:23,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:23,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743706188] [2024-11-09 00:43:23,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:23,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:23,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:23,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743706188] [2024-11-09 00:43:23,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743706188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:23,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:23,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:43:23,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489677289] [2024-11-09 00:43:23,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:23,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:43:23,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:23,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:43:23,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:23,662 INFO L87 Difference]: Start difference. First operand 576 states and 914 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:23,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:23,925 INFO L93 Difference]: Finished difference Result 1174 states and 1854 transitions. [2024-11-09 00:43:23,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 00:43:23,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 276 [2024-11-09 00:43:23,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:23,933 INFO L225 Difference]: With dead ends: 1174 [2024-11-09 00:43:23,933 INFO L226 Difference]: Without dead ends: 811 [2024-11-09 00:43:23,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 00:43:23,935 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 568 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:23,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 1225 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:43:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-09 00:43:23,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 607. [2024-11-09 00:43:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 483 states have (on average 1.4761904761904763) internal successors, (713), 483 states have internal predecessors, (713), 120 states have call successors, (120), 3 states have call predecessors, (120), 3 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-09 00:43:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 953 transitions. [2024-11-09 00:43:24,004 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 953 transitions. Word has length 276 [2024-11-09 00:43:24,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:24,004 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 953 transitions. [2024-11-09 00:43:24,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 953 transitions. [2024-11-09 00:43:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-09 00:43:24,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:24,008 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:24,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 00:43:24,009 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:24,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:24,009 INFO L85 PathProgramCache]: Analyzing trace with hash -256779101, now seen corresponding path program 1 times [2024-11-09 00:43:24,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:24,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689837271] [2024-11-09 00:43:24,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:24,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:24,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:24,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689837271] [2024-11-09 00:43:24,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689837271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:24,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:24,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 00:43:24,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109776389] [2024-11-09 00:43:24,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:24,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 00:43:24,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:24,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 00:43:24,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:43:24,945 INFO L87 Difference]: Start difference. First operand 607 states and 953 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:25,746 INFO L93 Difference]: Finished difference Result 1191 states and 1859 transitions. [2024-11-09 00:43:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 00:43:25,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-09 00:43:25,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:25,751 INFO L225 Difference]: With dead ends: 1191 [2024-11-09 00:43:25,751 INFO L226 Difference]: Without dead ends: 695 [2024-11-09 00:43:25,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 00:43:25,753 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 418 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:25,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1417 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 00:43:25,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-09 00:43:25,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 607. [2024-11-09 00:43:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 483 states have (on average 1.4720496894409938) internal successors, (711), 483 states have internal predecessors, (711), 120 states have call successors, (120), 3 states have call predecessors, (120), 3 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-09 00:43:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 951 transitions. [2024-11-09 00:43:25,809 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 951 transitions. Word has length 278 [2024-11-09 00:43:25,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:25,810 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 951 transitions. [2024-11-09 00:43:25,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 951 transitions. [2024-11-09 00:43:25,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-09 00:43:25,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:25,813 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:25,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 00:43:25,814 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:25,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1100784603, now seen corresponding path program 1 times [2024-11-09 00:43:25,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:25,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126958839] [2024-11-09 00:43:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:26,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:26,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126958839] [2024-11-09 00:43:26,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126958839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:26,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:26,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:43:26,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652680692] [2024-11-09 00:43:26,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:26,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:43:26,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:26,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:43:26,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:26,467 INFO L87 Difference]: Start difference. First operand 607 states and 951 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:26,786 INFO L93 Difference]: Finished difference Result 1225 states and 1907 transitions. [2024-11-09 00:43:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:43:26,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-09 00:43:26,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:26,791 INFO L225 Difference]: With dead ends: 1225 [2024-11-09 00:43:26,792 INFO L226 Difference]: Without dead ends: 695 [2024-11-09 00:43:26,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 00:43:26,796 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 271 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:26,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 844 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:43:26,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-09 00:43:26,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 607. [2024-11-09 00:43:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 483 states have (on average 1.4699792960662525) internal successors, (710), 483 states have internal predecessors, (710), 120 states have call successors, (120), 3 states have call predecessors, (120), 3 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-09 00:43:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 950 transitions. [2024-11-09 00:43:26,862 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 950 transitions. Word has length 278 [2024-11-09 00:43:26,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:26,863 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 950 transitions. [2024-11-09 00:43:26,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 950 transitions. [2024-11-09 00:43:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-09 00:43:26,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:26,878 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:26,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 00:43:26,879 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:26,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:26,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1774945152, now seen corresponding path program 1 times [2024-11-09 00:43:26,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:26,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652362462] [2024-11-09 00:43:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:26,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:27,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:27,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652362462] [2024-11-09 00:43:27,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652362462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:27,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:27,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:43:27,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16442297] [2024-11-09 00:43:27,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:27,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:43:27,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:27,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:43:27,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:27,523 INFO L87 Difference]: Start difference. First operand 607 states and 950 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:27,869 INFO L93 Difference]: Finished difference Result 1225 states and 1906 transitions. [2024-11-09 00:43:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:43:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 279 [2024-11-09 00:43:27,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:27,875 INFO L225 Difference]: With dead ends: 1225 [2024-11-09 00:43:27,875 INFO L226 Difference]: Without dead ends: 695 [2024-11-09 00:43:27,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 00:43:27,878 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 276 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:27,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 878 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:43:27,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-09 00:43:27,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 607. [2024-11-09 00:43:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 483 states have (on average 1.4679089026915113) internal successors, (709), 483 states have internal predecessors, (709), 120 states have call successors, (120), 3 states have call predecessors, (120), 3 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-09 00:43:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 949 transitions. [2024-11-09 00:43:27,943 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 949 transitions. Word has length 279 [2024-11-09 00:43:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:27,944 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 949 transitions. [2024-11-09 00:43:27,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 949 transitions. [2024-11-09 00:43:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-09 00:43:27,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:27,948 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:27,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 00:43:27,948 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:27,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:27,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1798579664, now seen corresponding path program 1 times [2024-11-09 00:43:27,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:27,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689697678] [2024-11-09 00:43:27,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:27,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-09 00:43:28,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689697678] [2024-11-09 00:43:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689697678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:43:28,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:43:28,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:43:28,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245454246] [2024-11-09 00:43:28,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:43:28,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:43:28,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:28,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:43:28,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:28,635 INFO L87 Difference]: Start difference. First operand 607 states and 949 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:28,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:28,918 INFO L93 Difference]: Finished difference Result 1654 states and 2569 transitions. [2024-11-09 00:43:28,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:43:28,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 280 [2024-11-09 00:43:28,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:28,926 INFO L225 Difference]: With dead ends: 1654 [2024-11-09 00:43:28,926 INFO L226 Difference]: Without dead ends: 1234 [2024-11-09 00:43:28,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:43:28,930 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 482 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:28,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 940 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:43:28,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-11-09 00:43:29,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1178. [2024-11-09 00:43:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 1006 states have (on average 1.489065606361829) internal successors, (1498), 1008 states have internal predecessors, (1498), 166 states have call successors, (166), 5 states have call predecessors, (166), 5 states have return successors, (166), 164 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-09 00:43:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1830 transitions. [2024-11-09 00:43:29,023 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1830 transitions. Word has length 280 [2024-11-09 00:43:29,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:29,024 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1830 transitions. [2024-11-09 00:43:29,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-09 00:43:29,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1830 transitions. [2024-11-09 00:43:29,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-09 00:43:29,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:29,028 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:29,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 00:43:29,029 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:29,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:29,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1124580334, now seen corresponding path program 1 times [2024-11-09 00:43:29,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:29,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713769993] [2024-11-09 00:43:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 75 proven. 42 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-09 00:43:29,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:29,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713769993] [2024-11-09 00:43:29,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713769993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:43:29,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545883832] [2024-11-09 00:43:29,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:29,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:43:29,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:43:29,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:43:29,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:43:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:30,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:43:30,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1489 proven. 42 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2024-11-09 00:43:30,313 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:43:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 75 proven. 42 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-09 00:43:30,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545883832] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:43:30,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:43:30,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-09 00:43:30,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261139648] [2024-11-09 00:43:30,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:43:30,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 00:43:30,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:30,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 00:43:30,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:43:30,650 INFO L87 Difference]: Start difference. First operand 1178 states and 1830 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-09 00:43:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:31,139 INFO L93 Difference]: Finished difference Result 1971 states and 3052 transitions. [2024-11-09 00:43:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:43:31,140 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 280 [2024-11-09 00:43:31,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:31,148 INFO L225 Difference]: With dead ends: 1971 [2024-11-09 00:43:31,148 INFO L226 Difference]: Without dead ends: 1143 [2024-11-09 00:43:31,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 636 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 00:43:31,151 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 389 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:31,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 760 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:43:31,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2024-11-09 00:43:31,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1051. [2024-11-09 00:43:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 876 states have (on average 1.4600456621004567) internal successors, (1279), 878 states have internal predecessors, (1279), 166 states have call successors, (166), 8 states have call predecessors, (166), 8 states have return successors, (166), 164 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-09 00:43:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1611 transitions. [2024-11-09 00:43:31,240 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1611 transitions. Word has length 280 [2024-11-09 00:43:31,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:31,244 INFO L471 AbstractCegarLoop]: Abstraction has 1051 states and 1611 transitions. [2024-11-09 00:43:31,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-09 00:43:31,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1611 transitions. [2024-11-09 00:43:31,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-09 00:43:31,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:31,246 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:31,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:43:31,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 00:43:31,451 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:31,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:31,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1972169034, now seen corresponding path program 1 times [2024-11-09 00:43:31,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:31,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706545693] [2024-11-09 00:43:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 27 proven. 90 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-09 00:43:32,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:32,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706545693] [2024-11-09 00:43:32,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706545693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:43:32,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885934782] [2024-11-09 00:43:32,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:32,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:43:32,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:43:32,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:43:32,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 00:43:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:32,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:43:32,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1137 proven. 90 refuted. 0 times theorem prover too weak. 1893 trivial. 0 not checked. [2024-11-09 00:43:33,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:43:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 27 proven. 90 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-09 00:43:33,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885934782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:43:33,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:43:33,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-09 00:43:33,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731029488] [2024-11-09 00:43:33,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:43:33,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 00:43:33,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:33,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 00:43:33,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-09 00:43:33,725 INFO L87 Difference]: Start difference. First operand 1051 states and 1611 transitions. Second operand has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-09 00:43:34,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:43:34,182 INFO L93 Difference]: Finished difference Result 1853 states and 2819 transitions. [2024-11-09 00:43:34,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:43:34,183 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) Word has length 282 [2024-11-09 00:43:34,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:43:34,189 INFO L225 Difference]: With dead ends: 1853 [2024-11-09 00:43:34,189 INFO L226 Difference]: Without dead ends: 1091 [2024-11-09 00:43:34,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-09 00:43:34,191 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 354 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:43:34,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 884 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:43:34,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-11-09 00:43:34,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1079. [2024-11-09 00:43:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 899 states have (on average 1.4482758620689655) internal successors, (1302), 901 states have internal predecessors, (1302), 166 states have call successors, (166), 13 states have call predecessors, (166), 13 states have return successors, (166), 164 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-09 00:43:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1634 transitions. [2024-11-09 00:43:34,289 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1634 transitions. Word has length 282 [2024-11-09 00:43:34,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:43:34,290 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1634 transitions. [2024-11-09 00:43:34,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 4 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2024-11-09 00:43:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1634 transitions. [2024-11-09 00:43:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-09 00:43:34,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:43:34,293 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:43:34,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:43:34,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 00:43:34,494 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:43:34,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:34,494 INFO L85 PathProgramCache]: Analyzing trace with hash -291788652, now seen corresponding path program 1 times [2024-11-09 00:43:34,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:43:34,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889385264] [2024-11-09 00:43:34,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:35,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:43:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:35,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:43:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:35,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:43:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:43:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:43:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 00:43:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 00:43:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 00:43:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 00:43:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:43:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:43:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:43:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:43:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 00:43:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:43:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 00:43:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:43:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 00:43:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:43:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:43:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:43:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:43:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:43:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:43:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:43:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:43:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:43:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 00:43:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 00:43:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 00:43:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-09 00:43:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 00:43:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 00:43:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-09 00:43:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-09 00:43:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 00:43:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-09 00:43:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 00:43:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-09 00:43:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 00:43:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-09 00:43:36,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:43:36,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889385264] [2024-11-09 00:43:36,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889385264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:43:36,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177516555] [2024-11-09 00:43:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:43:36,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:43:36,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:43:36,121 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:43:36,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 00:43:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:36,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 00:43:36,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1836 proven. 303 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2024-11-09 00:43:40,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:43:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 129 proven. 321 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2024-11-09 00:43:57,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177516555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:43:57,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:43:57,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18, 18] total 39 [2024-11-09 00:43:57,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397291980] [2024-11-09 00:43:57,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:43:57,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-09 00:43:57,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:43:57,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-09 00:43:57,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=1207, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 00:43:57,950 INFO L87 Difference]: Start difference. First operand 1079 states and 1634 transitions. Second operand has 39 states, 39 states have (on average 6.435897435897436) internal successors, (251), 39 states have internal predecessors, (251), 11 states have call successors, (119), 5 states have call predecessors, (119), 13 states have return successors, (120), 10 states have call predecessors, (120), 11 states have call successors, (120) [2024-11-09 00:44:15,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:44:15,815 INFO L93 Difference]: Finished difference Result 11109 states and 16393 transitions. [2024-11-09 00:44:15,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-11-09 00:44:15,816 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 6.435897435897436) internal successors, (251), 39 states have internal predecessors, (251), 11 states have call successors, (119), 5 states have call predecessors, (119), 13 states have return successors, (120), 10 states have call predecessors, (120), 11 states have call successors, (120) Word has length 283 [2024-11-09 00:44:15,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:44:15,853 INFO L225 Difference]: With dead ends: 11109 [2024-11-09 00:44:15,854 INFO L226 Difference]: Without dead ends: 10115 [2024-11-09 00:44:15,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 634 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5445 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=3454, Invalid=13058, Unknown=0, NotChecked=0, Total=16512 [2024-11-09 00:44:15,864 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 9474 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 3574 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9474 SdHoareTripleChecker+Valid, 4092 SdHoareTripleChecker+Invalid, 4000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 3574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 00:44:15,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9474 Valid, 4092 Invalid, 4000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 3574 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 00:44:15,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10115 states. [2024-11-09 00:44:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10115 to 2273. [2024-11-09 00:44:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2273 states, 2072 states have (on average 1.4691119691119692) internal successors, (3044), 2074 states have internal predecessors, (3044), 166 states have call successors, (166), 34 states have call predecessors, (166), 34 states have return successors, (166), 164 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-09 00:44:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 3376 transitions. [2024-11-09 00:44:16,090 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 3376 transitions. Word has length 283 [2024-11-09 00:44:16,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:44:16,091 INFO L471 AbstractCegarLoop]: Abstraction has 2273 states and 3376 transitions. [2024-11-09 00:44:16,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 6.435897435897436) internal successors, (251), 39 states have internal predecessors, (251), 11 states have call successors, (119), 5 states have call predecessors, (119), 13 states have return successors, (120), 10 states have call predecessors, (120), 11 states have call successors, (120) [2024-11-09 00:44:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 3376 transitions. [2024-11-09 00:44:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-09 00:44:16,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:44:16,109 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:44:16,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 00:44:16,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:44:16,314 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:44:16,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:44:16,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1650259040, now seen corresponding path program 1 times [2024-11-09 00:44:16,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:44:16,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221377748] [2024-11-09 00:44:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:44:16,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:44:16,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503954031] [2024-11-09 00:44:16,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:44:16,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:44:16,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:44:16,686 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:44:16,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 00:44:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:16,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:44:16,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1445 proven. 150 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2024-11-09 00:44:17,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:44:18,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:44:18,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221377748] [2024-11-09 00:44:18,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 00:44:18,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503954031] [2024-11-09 00:44:18,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503954031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:44:18,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 00:44:18,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 00:44:18,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122580241] [2024-11-09 00:44:18,176 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 00:44:18,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 00:44:18,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:44:18,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 00:44:18,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=189, Unknown=5, NotChecked=0, Total=272 [2024-11-09 00:44:18,179 INFO L87 Difference]: Start difference. First operand 2273 states and 3376 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 9 states have internal predecessors, (96), 3 states have call successors, (40), 3 states have call predecessors, (40), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-09 00:44:18,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:44:18,900 INFO L93 Difference]: Finished difference Result 4307 states and 6378 transitions. [2024-11-09 00:44:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 00:44:18,901 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 9 states have internal predecessors, (96), 3 states have call successors, (40), 3 states have call predecessors, (40), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 284 [2024-11-09 00:44:18,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:44:18,912 INFO L225 Difference]: With dead ends: 4307 [2024-11-09 00:44:18,912 INFO L226 Difference]: Without dead ends: 2187 [2024-11-09 00:44:18,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=233, Invalid=518, Unknown=5, NotChecked=0, Total=756 [2024-11-09 00:44:18,918 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 256 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1960 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:44:18,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1960 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:44:18,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2024-11-09 00:44:19,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2031. [2024-11-09 00:44:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2031 states, 1828 states have (on average 1.4535010940919038) internal successors, (2657), 1830 states have internal predecessors, (2657), 166 states have call successors, (166), 36 states have call predecessors, (166), 36 states have return successors, (166), 164 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-09 00:44:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2989 transitions. [2024-11-09 00:44:19,110 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2989 transitions. Word has length 284 [2024-11-09 00:44:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:44:19,110 INFO L471 AbstractCegarLoop]: Abstraction has 2031 states and 2989 transitions. [2024-11-09 00:44:19,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 9 states have internal predecessors, (96), 3 states have call successors, (40), 3 states have call predecessors, (40), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-09 00:44:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2989 transitions. [2024-11-09 00:44:19,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-09 00:44:19,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:44:19,113 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:44:19,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:44:19,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 00:44:19,318 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:44:19,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:44:19,318 INFO L85 PathProgramCache]: Analyzing trace with hash 418681484, now seen corresponding path program 1 times [2024-11-09 00:44:19,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:44:19,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802985159] [2024-11-09 00:44:19,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:44:19,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:44:19,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938078137] [2024-11-09 00:44:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:44:19,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:44:19,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:44:19,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:44:19,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 00:44:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:19,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 00:44:19,879 INFO L278 TraceCheckSpWp]: Computing forward predicates...