./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:22:23,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:22:23,793 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:22:23,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:22:23,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:22:23,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:22:23,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:22:23,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:22:23,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:22:23,830 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:22:23,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:22:23,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:22:23,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:22:23,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:22:23,833 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:22:23,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:22:23,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:22:23,834 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:22:23,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:22:23,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:22:23,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:22:23,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:22:23,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:22:23,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:22:23,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:22:23,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:22:23,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:22:23,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:22:23,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:22:23,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:22:23,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:22:23,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:22:23,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:22:23,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:22:23,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:22:23,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:22:23,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:22:23,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:22:23,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:22:23,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:22:23,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:22:23,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:22:23,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 311a2cdae2c2df32faf83bfc23f839881789d5600e175ca88e61c5767354eb62 [2024-11-12 06:22:24,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:22:24,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:22:24,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:22:24,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:22:24,152 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:22:24,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-75.i [2024-11-12 06:22:25,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:22:25,923 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:22:25,924 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-75.i [2024-11-12 06:22:25,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b172d61/6f26976a1b444dc7a5b76a30b7e424ce/FLAGb5950eb9e [2024-11-12 06:22:25,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b172d61/6f26976a1b444dc7a5b76a30b7e424ce [2024-11-12 06:22:25,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:22:25,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:22:25,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:22:25,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:22:25,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:22:25,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:22:25" (1/1) ... [2024-11-12 06:22:25,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ffc7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:25, skipping insertion in model container [2024-11-12 06:22:25,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:22:25" (1/1) ... [2024-11-12 06:22:26,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:22:26,202 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] [2024-11-12 06:22:26,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:22:26,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:22:26,422 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] [2024-11-12 06:22:26,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:22:26,577 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:22:26,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26 WrapperNode [2024-11-12 06:22:26,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:22:26,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:22:26,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:22:26,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:22:26,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,699 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 507 [2024-11-12 06:22:26,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:22:26,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:22:26,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:22:26,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:22:26,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,785 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 06:22:26,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:22:26,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:22:26,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:22:26,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:22:26,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (1/1) ... [2024-11-12 06:22:26,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:22:26,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:22:26,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 06:22:26,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 06:22:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:22:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:22:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:22:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:22:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:22:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:22:27,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:22:27,081 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:22:28,099 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-12 06:22:28,099 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:22:28,125 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:22:28,125 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:22:28,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:22:28 BoogieIcfgContainer [2024-11-12 06:22:28,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:22:28,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:22:28,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:22:28,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:22:28,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:22:25" (1/3) ... [2024-11-12 06:22:28,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8a7996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:22:28, skipping insertion in model container [2024-11-12 06:22:28,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:22:26" (2/3) ... [2024-11-12 06:22:28,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8a7996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:22:28, skipping insertion in model container [2024-11-12 06:22:28,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:22:28" (3/3) ... [2024-11-12 06:22:28,140 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-75.i [2024-11-12 06:22:28,156 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:22:28,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:22:28,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:22:28,256 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;@623d39d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:22:28,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:22:28,264 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) [2024-11-12 06:22:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-12 06:22:28,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:28,318 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:28,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:28,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:28,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1801396716, now seen corresponding path program 1 times [2024-11-12 06:22:28,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:28,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718768721] [2024-11-12 06:22:28,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:28,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:28,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:29,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:29,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718768721] [2024-11-12 06:22:29,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718768721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:29,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:29,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:22:29,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133483114] [2024-11-12 06:22:29,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:29,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:22:29,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:29,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:22:29,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:22:29,119 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) [2024-11-12 06:22:29,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:29,164 INFO L93 Difference]: Finished difference Result 393 states and 672 transitions. [2024-11-12 06:22:29,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:22:29,167 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 [2024-11-12 06:22:29,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:29,181 INFO L225 Difference]: With dead ends: 393 [2024-11-12 06:22:29,182 INFO L226 Difference]: Without dead ends: 196 [2024-11-12 06:22:29,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:22:29,193 INFO L435 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 [2024-11-12 06:22:29,194 INFO L436 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] [2024-11-12 06:22:29,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-12 06:22:29,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-12 06:22:29,242 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) [2024-11-12 06:22:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 311 transitions. [2024-11-12 06:22:29,248 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 311 transitions. Word has length 273 [2024-11-12 06:22:29,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:29,249 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 311 transitions. [2024-11-12 06:22:29,249 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) [2024-11-12 06:22:29,250 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 311 transitions. [2024-11-12 06:22:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-12 06:22:29,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:29,256 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:29,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:22:29,257 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:29,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:29,259 INFO L85 PathProgramCache]: Analyzing trace with hash 683101716, now seen corresponding path program 1 times [2024-11-12 06:22:29,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:29,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71030131] [2024-11-12 06:22:29,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:29,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:30,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:30,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71030131] [2024-11-12 06:22:30,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71030131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:30,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:30,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 06:22:30,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480931028] [2024-11-12 06:22:30,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:30,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 06:22:30,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:30,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 06:22:30,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 06:22:30,380 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) [2024-11-12 06:22:30,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:30,968 INFO L93 Difference]: Finished difference Result 584 states and 930 transitions. [2024-11-12 06:22:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 06:22:30,969 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 [2024-11-12 06:22:30,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:30,977 INFO L225 Difference]: With dead ends: 584 [2024-11-12 06:22:30,977 INFO L226 Difference]: Without dead ends: 391 [2024-11-12 06:22:30,981 INFO L434 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 [2024-11-12 06:22:30,982 INFO L435 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 [2024-11-12 06:22:30,983 INFO L436 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] [2024-11-12 06:22:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-12 06:22:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 297. [2024-11-12 06:22:31,056 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) [2024-11-12 06:22:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 473 transitions. [2024-11-12 06:22:31,060 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 473 transitions. Word has length 273 [2024-11-12 06:22:31,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:31,063 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 473 transitions. [2024-11-12 06:22:31,064 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) [2024-11-12 06:22:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 473 transitions. [2024-11-12 06:22:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-12 06:22:31,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:31,075 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:31,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:22:31,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:31,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:31,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2069305110, now seen corresponding path program 1 times [2024-11-12 06:22:31,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:31,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964595976] [2024-11-12 06:22:31,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:31,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:31,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:31,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964595976] [2024-11-12 06:22:31,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964595976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:31,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:31,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:22:31,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980240363] [2024-11-12 06:22:31,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:31,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:22:31,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:31,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:22:31,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:22:31,732 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) [2024-11-12 06:22:32,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:32,059 INFO L93 Difference]: Finished difference Result 584 states and 929 transitions. [2024-11-12 06:22:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:22:32,060 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 [2024-11-12 06:22:32,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:32,066 INFO L225 Difference]: With dead ends: 584 [2024-11-12 06:22:32,066 INFO L226 Difference]: Without dead ends: 390 [2024-11-12 06:22:32,067 INFO L434 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 [2024-11-12 06:22:32,069 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 273 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-12 06:22:32,070 INFO L436 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] [2024-11-12 06:22:32,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-12 06:22:32,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 338. [2024-11-12 06:22:32,119 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) [2024-11-12 06:22:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 544 transitions. [2024-11-12 06:22:32,125 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 544 transitions. Word has length 273 [2024-11-12 06:22:32,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:32,126 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 544 transitions. [2024-11-12 06:22:32,127 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) [2024-11-12 06:22:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 544 transitions. [2024-11-12 06:22:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-12 06:22:32,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:32,131 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:32,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:22:32,131 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:32,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:32,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1721223867, now seen corresponding path program 1 times [2024-11-12 06:22:32,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:32,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034466119] [2024-11-12 06:22:32,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:32,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:32,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034466119] [2024-11-12 06:22:32,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034466119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:32,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:32,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:22:32,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021098807] [2024-11-12 06:22:32,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:32,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:22:32,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:32,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:22:32,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:22:32,526 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) [2024-11-12 06:22:32,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:32,798 INFO L93 Difference]: Finished difference Result 622 states and 994 transitions. [2024-11-12 06:22:32,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:22:32,799 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 [2024-11-12 06:22:32,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:32,802 INFO L225 Difference]: With dead ends: 622 [2024-11-12 06:22:32,805 INFO L226 Difference]: Without dead ends: 390 [2024-11-12 06:22:32,806 INFO L434 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 [2024-11-12 06:22:32,807 INFO L435 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 [2024-11-12 06:22:32,810 INFO L436 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] [2024-11-12 06:22:32,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-12 06:22:32,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 339. [2024-11-12 06:22:32,852 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) [2024-11-12 06:22:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 544 transitions. [2024-11-12 06:22:32,856 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 544 transitions. Word has length 274 [2024-11-12 06:22:32,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:32,856 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 544 transitions. [2024-11-12 06:22:32,857 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) [2024-11-12 06:22:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 544 transitions. [2024-11-12 06:22:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-12 06:22:32,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:32,860 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:32,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 06:22:32,861 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:32,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:32,862 INFO L85 PathProgramCache]: Analyzing trace with hash -400147185, now seen corresponding path program 1 times [2024-11-12 06:22:32,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:32,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365218939] [2024-11-12 06:22:32,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:32,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:33,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:33,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365218939] [2024-11-12 06:22:33,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365218939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:33,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:33,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 06:22:33,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249093106] [2024-11-12 06:22:33,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:33,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 06:22:33,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:33,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 06:22:33,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 06:22:33,344 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) [2024-11-12 06:22:33,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:33,591 INFO L93 Difference]: Finished difference Result 623 states and 993 transitions. [2024-11-12 06:22:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 06:22:33,592 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 [2024-11-12 06:22:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:33,596 INFO L225 Difference]: With dead ends: 623 [2024-11-12 06:22:33,596 INFO L226 Difference]: Without dead ends: 391 [2024-11-12 06:22:33,597 INFO L434 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 [2024-11-12 06:22:33,598 INFO L435 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 [2024-11-12 06:22:33,598 INFO L436 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] [2024-11-12 06:22:33,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-12 06:22:33,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 340. [2024-11-12 06:22:33,641 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) [2024-11-12 06:22:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 545 transitions. [2024-11-12 06:22:33,643 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 545 transitions. Word has length 275 [2024-11-12 06:22:33,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:33,647 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 545 transitions. [2024-11-12 06:22:33,647 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) [2024-11-12 06:22:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 545 transitions. [2024-11-12 06:22:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-12 06:22:33,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:33,651 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:33,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 06:22:33,651 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:33,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:33,652 INFO L85 PathProgramCache]: Analyzing trace with hash 986056209, now seen corresponding path program 1 times [2024-11-12 06:22:33,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:33,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193079663] [2024-11-12 06:22:33,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:33,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:34,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:34,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193079663] [2024-11-12 06:22:34,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193079663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:34,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:34,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:22:34,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851048228] [2024-11-12 06:22:34,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:34,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:22:34,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:34,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:22:34,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:22:34,481 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) [2024-11-12 06:22:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:34,889 INFO L93 Difference]: Finished difference Result 623 states and 992 transitions. [2024-11-12 06:22:34,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:22:34,890 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 [2024-11-12 06:22:34,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:34,894 INFO L225 Difference]: With dead ends: 623 [2024-11-12 06:22:34,894 INFO L226 Difference]: Without dead ends: 390 [2024-11-12 06:22:34,895 INFO L434 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 [2024-11-12 06:22:34,896 INFO L435 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:22:34,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 816 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:22:34,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-12 06:22:34,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 340. [2024-11-12 06:22:34,939 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) [2024-11-12 06:22:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 544 transitions. [2024-11-12 06:22:34,941 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 544 transitions. Word has length 275 [2024-11-12 06:22:34,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:34,942 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 544 transitions. [2024-11-12 06:22:34,942 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) [2024-11-12 06:22:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 544 transitions. [2024-11-12 06:22:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 06:22:34,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:34,946 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:34,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 06:22:34,947 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:34,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1704191976, now seen corresponding path program 1 times [2024-11-12 06:22:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:34,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011439858] [2024-11-12 06:22:34,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:34,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:35,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:35,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011439858] [2024-11-12 06:22:35,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011439858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:35,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:35,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:22:35,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563883555] [2024-11-12 06:22:35,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:35,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:22:35,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:35,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:22:35,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:22:35,504 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) [2024-11-12 06:22:35,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:35,784 INFO L93 Difference]: Finished difference Result 833 states and 1336 transitions. [2024-11-12 06:22:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:22:35,785 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 [2024-11-12 06:22:35,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:35,790 INFO L225 Difference]: With dead ends: 833 [2024-11-12 06:22:35,790 INFO L226 Difference]: Without dead ends: 587 [2024-11-12 06:22:35,791 INFO L434 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 [2024-11-12 06:22:35,794 INFO L435 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 [2024-11-12 06:22:35,794 INFO L436 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] [2024-11-12 06:22:35,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-12 06:22:35,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 464. [2024-11-12 06:22:35,843 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) [2024-11-12 06:22:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 740 transitions. [2024-11-12 06:22:35,847 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 740 transitions. Word has length 276 [2024-11-12 06:22:35,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:35,847 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 740 transitions. [2024-11-12 06:22:35,848 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) [2024-11-12 06:22:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 740 transitions. [2024-11-12 06:22:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 06:22:35,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:35,852 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:35,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 06:22:35,852 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:35,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:35,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1280545254, now seen corresponding path program 1 times [2024-11-12 06:22:35,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:35,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090141214] [2024-11-12 06:22:35,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:35,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:36,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:36,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090141214] [2024-11-12 06:22:36,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090141214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:36,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:36,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 06:22:36,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646237574] [2024-11-12 06:22:36,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:36,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 06:22:36,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:36,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 06:22:36,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 06:22:36,718 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) [2024-11-12 06:22:37,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:37,369 INFO L93 Difference]: Finished difference Result 1043 states and 1641 transitions. [2024-11-12 06:22:37,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 06:22:37,370 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 [2024-11-12 06:22:37,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:37,374 INFO L225 Difference]: With dead ends: 1043 [2024-11-12 06:22:37,375 INFO L226 Difference]: Without dead ends: 690 [2024-11-12 06:22:37,376 INFO L434 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 [2024-11-12 06:22:37,378 INFO L435 NwaCegarLoop]: 414 mSDtfsCounter, 437 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-12 06:22:37,378 INFO L436 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] [2024-11-12 06:22:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-12 06:22:37,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 576. [2024-11-12 06:22:37,444 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) [2024-11-12 06:22:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 914 transitions. [2024-11-12 06:22:37,447 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 914 transitions. Word has length 276 [2024-11-12 06:22:37,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:37,449 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 914 transitions. [2024-11-12 06:22:37,449 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) [2024-11-12 06:22:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 914 transitions. [2024-11-12 06:22:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 06:22:37,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:37,453 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:37,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 06:22:37,454 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:37,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:37,454 INFO L85 PathProgramCache]: Analyzing trace with hash -621013732, now seen corresponding path program 1 times [2024-11-12 06:22:37,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:37,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855670505] [2024-11-12 06:22:37,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:37,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:37,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855670505] [2024-11-12 06:22:37,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855670505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:37,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:37,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:22:37,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462460985] [2024-11-12 06:22:37,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:37,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:22:37,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:37,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:22:37,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:22:37,985 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) [2024-11-12 06:22:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:38,239 INFO L93 Difference]: Finished difference Result 1174 states and 1854 transitions. [2024-11-12 06:22:38,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 06:22:38,240 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 [2024-11-12 06:22:38,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:38,245 INFO L225 Difference]: With dead ends: 1174 [2024-11-12 06:22:38,245 INFO L226 Difference]: Without dead ends: 811 [2024-11-12 06:22:38,247 INFO L434 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 [2024-11-12 06:22:38,247 INFO L435 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 [2024-11-12 06:22:38,248 INFO L436 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] [2024-11-12 06:22:38,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-12 06:22:38,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 607. [2024-11-12 06:22:38,324 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) [2024-11-12 06:22:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 953 transitions. [2024-11-12 06:22:38,328 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 953 transitions. Word has length 276 [2024-11-12 06:22:38,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:38,329 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 953 transitions. [2024-11-12 06:22:38,329 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) [2024-11-12 06:22:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 953 transitions. [2024-11-12 06:22:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-12 06:22:38,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:38,333 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:38,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 06:22:38,334 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:38,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash -256779101, now seen corresponding path program 1 times [2024-11-12 06:22:38,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:38,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881268476] [2024-11-12 06:22:38,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:38,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:39,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:39,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881268476] [2024-11-12 06:22:39,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881268476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:39,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:39,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 06:22:39,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816401236] [2024-11-12 06:22:39,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:39,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 06:22:39,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:39,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 06:22:39,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:22:39,277 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) [2024-11-12 06:22:40,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:40,036 INFO L93 Difference]: Finished difference Result 1191 states and 1859 transitions. [2024-11-12 06:22:40,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 06:22:40,036 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 [2024-11-12 06:22:40,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:40,041 INFO L225 Difference]: With dead ends: 1191 [2024-11-12 06:22:40,041 INFO L226 Difference]: Without dead ends: 695 [2024-11-12 06:22:40,043 INFO L434 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 [2024-11-12 06:22:40,044 INFO L435 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 [2024-11-12 06:22:40,044 INFO L436 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] [2024-11-12 06:22:40,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-12 06:22:40,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 607. [2024-11-12 06:22:40,131 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) [2024-11-12 06:22:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 951 transitions. [2024-11-12 06:22:40,135 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 951 transitions. Word has length 278 [2024-11-12 06:22:40,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:40,136 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 951 transitions. [2024-11-12 06:22:40,136 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) [2024-11-12 06:22:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 951 transitions. [2024-11-12 06:22:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-12 06:22:40,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:40,140 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:40,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 06:22:40,140 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:40,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:40,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1100784603, now seen corresponding path program 1 times [2024-11-12 06:22:40,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:40,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904064367] [2024-11-12 06:22:40,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:40,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:40,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904064367] [2024-11-12 06:22:40,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904064367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:40,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:40,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:22:40,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276364478] [2024-11-12 06:22:40,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:40,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:22:40,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:40,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:22:40,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:22:40,788 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) [2024-11-12 06:22:41,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:41,168 INFO L93 Difference]: Finished difference Result 1225 states and 1907 transitions. [2024-11-12 06:22:41,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:22:41,169 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 [2024-11-12 06:22:41,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:41,174 INFO L225 Difference]: With dead ends: 1225 [2024-11-12 06:22:41,174 INFO L226 Difference]: Without dead ends: 695 [2024-11-12 06:22:41,177 INFO L434 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 [2024-11-12 06:22:41,177 INFO L435 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 [2024-11-12 06:22:41,177 INFO L436 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] [2024-11-12 06:22:41,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-12 06:22:41,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 607. [2024-11-12 06:22:41,259 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) [2024-11-12 06:22:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 950 transitions. [2024-11-12 06:22:41,264 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 950 transitions. Word has length 278 [2024-11-12 06:22:41,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:41,265 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 950 transitions. [2024-11-12 06:22:41,265 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) [2024-11-12 06:22:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 950 transitions. [2024-11-12 06:22:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-12 06:22:41,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:41,271 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:41,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 06:22:41,271 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:41,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:41,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1774945152, now seen corresponding path program 1 times [2024-11-12 06:22:41,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:41,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237992819] [2024-11-12 06:22:41,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:41,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:41,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:41,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:41,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237992819] [2024-11-12 06:22:41,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237992819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:41,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:41,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:22:41,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531295799] [2024-11-12 06:22:41,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:41,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:22:41,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:41,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:22:41,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:22:41,976 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) [2024-11-12 06:22:42,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:42,321 INFO L93 Difference]: Finished difference Result 1225 states and 1906 transitions. [2024-11-12 06:22:42,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:22:42,322 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 [2024-11-12 06:22:42,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:42,327 INFO L225 Difference]: With dead ends: 1225 [2024-11-12 06:22:42,327 INFO L226 Difference]: Without dead ends: 695 [2024-11-12 06:22:42,328 INFO L434 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 [2024-11-12 06:22:42,329 INFO L435 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 [2024-11-12 06:22:42,329 INFO L436 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] [2024-11-12 06:22:42,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-12 06:22:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 607. [2024-11-12 06:22:42,390 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) [2024-11-12 06:22:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 949 transitions. [2024-11-12 06:22:42,395 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 949 transitions. Word has length 279 [2024-11-12 06:22:42,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:42,395 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 949 transitions. [2024-11-12 06:22:42,395 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) [2024-11-12 06:22:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 949 transitions. [2024-11-12 06:22:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-12 06:22:42,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:42,399 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:42,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 06:22:42,400 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:42,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:42,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1798579664, now seen corresponding path program 1 times [2024-11-12 06:22:42,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:42,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388863996] [2024-11-12 06:22:42,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:42,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-12 06:22:43,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:43,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388863996] [2024-11-12 06:22:43,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388863996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:22:43,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:22:43,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:22:43,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901381186] [2024-11-12 06:22:43,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:22:43,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:22:43,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:43,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:22:43,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:22:43,157 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) [2024-11-12 06:22:43,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:43,430 INFO L93 Difference]: Finished difference Result 1654 states and 2569 transitions. [2024-11-12 06:22:43,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:22:43,431 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 [2024-11-12 06:22:43,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:43,438 INFO L225 Difference]: With dead ends: 1654 [2024-11-12 06:22:43,438 INFO L226 Difference]: Without dead ends: 1234 [2024-11-12 06:22:43,440 INFO L434 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 [2024-11-12 06:22:43,440 INFO L435 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 [2024-11-12 06:22:43,440 INFO L436 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] [2024-11-12 06:22:43,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-11-12 06:22:43,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1178. [2024-11-12 06:22:43,522 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) [2024-11-12 06:22:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1830 transitions. [2024-11-12 06:22:43,528 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1830 transitions. Word has length 280 [2024-11-12 06:22:43,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:43,529 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1830 transitions. [2024-11-12 06:22:43,529 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) [2024-11-12 06:22:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1830 transitions. [2024-11-12 06:22:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-12 06:22:43,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:43,531 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:43,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 06:22:43,531 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:43,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:43,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1124580334, now seen corresponding path program 1 times [2024-11-12 06:22:43,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:43,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031971599] [2024-11-12 06:22:43,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:43,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 75 proven. 42 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 06:22:44,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:44,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031971599] [2024-11-12 06:22:44,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031971599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:22:44,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546871275] [2024-11-12 06:22:44,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:44,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:22:44,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:22:44,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:22:44,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 06:22:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:44,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 06:22:44,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:22:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1489 proven. 42 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2024-11-12 06:22:44,858 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:22:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 75 proven. 42 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 06:22:45,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546871275] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:22:45,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:22:45,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-12 06:22:45,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307900593] [2024-11-12 06:22:45,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:22:45,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 06:22:45,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:45,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 06:22:45,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:22:45,166 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) [2024-11-12 06:22:45,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:45,619 INFO L93 Difference]: Finished difference Result 1971 states and 3052 transitions. [2024-11-12 06:22:45,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 06:22:45,619 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 [2024-11-12 06:22:45,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:45,627 INFO L225 Difference]: With dead ends: 1971 [2024-11-12 06:22:45,627 INFO L226 Difference]: Without dead ends: 1143 [2024-11-12 06:22:45,630 INFO L434 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 [2024-11-12 06:22:45,630 INFO L435 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:22:45,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 760 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:22:45,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2024-11-12 06:22:45,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1051. [2024-11-12 06:22:45,747 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) [2024-11-12 06:22:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1611 transitions. [2024-11-12 06:22:45,755 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1611 transitions. Word has length 280 [2024-11-12 06:22:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:45,756 INFO L471 AbstractCegarLoop]: Abstraction has 1051 states and 1611 transitions. [2024-11-12 06:22:45,756 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) [2024-11-12 06:22:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1611 transitions. [2024-11-12 06:22:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-12 06:22:45,759 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:45,760 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:45,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 06:22:45,964 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 [2024-11-12 06:22:45,965 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:45,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:45,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1972169034, now seen corresponding path program 1 times [2024-11-12 06:22:45,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:45,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748629737] [2024-11-12 06:22:45,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:45,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 27 proven. 90 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 06:22:47,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:47,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748629737] [2024-11-12 06:22:47,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748629737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:22:47,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722220887] [2024-11-12 06:22:47,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:47,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:22:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:22:47,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:22:47,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 06:22:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:47,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 06:22:47,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:22:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1137 proven. 90 refuted. 0 times theorem prover too weak. 1893 trivial. 0 not checked. [2024-11-12 06:22:47,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:22:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 27 proven. 90 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 06:22:48,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722220887] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:22:48,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:22:48,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-12 06:22:48,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731295500] [2024-11-12 06:22:48,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:22:48,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 06:22:48,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:22:48,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 06:22:48,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-12 06:22:48,355 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) [2024-11-12 06:22:48,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:22:48,789 INFO L93 Difference]: Finished difference Result 1853 states and 2819 transitions. [2024-11-12 06:22:48,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 06:22:48,790 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 [2024-11-12 06:22:48,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:22:48,797 INFO L225 Difference]: With dead ends: 1853 [2024-11-12 06:22:48,797 INFO L226 Difference]: Without dead ends: 1091 [2024-11-12 06:22:48,801 INFO L434 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 [2024-11-12 06:22:48,802 INFO L435 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 [2024-11-12 06:22:48,802 INFO L436 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] [2024-11-12 06:22:48,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-11-12 06:22:48,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1079. [2024-11-12 06:22:48,898 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) [2024-11-12 06:22:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1634 transitions. [2024-11-12 06:22:48,903 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1634 transitions. Word has length 282 [2024-11-12 06:22:48,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:22:48,904 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1634 transitions. [2024-11-12 06:22:48,905 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) [2024-11-12 06:22:48,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1634 transitions. [2024-11-12 06:22:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-12 06:22:48,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:22:48,907 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:22:48,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 06:22:49,111 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 [2024-11-12 06:22:49,112 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:22:49,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:22:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash -291788652, now seen corresponding path program 1 times [2024-11-12 06:22:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:22:49,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697894263] [2024-11-12 06:22:49,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:22:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:22:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:22:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:22:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:22:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:22:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 06:22:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 06:22:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 06:22:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 06:22:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 06:22:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 06:22:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 06:22:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 06:22:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 06:22:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 06:22:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-12 06:22:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 06:22:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 06:22:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 06:22:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:22:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:22:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:22:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-12 06:22:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 06:22:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 06:22:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 06:22:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:22:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 06:22:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 06:22:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 06:22:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 06:22:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-12 06:22:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 06:22:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 06:22:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 06:22:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 06:22:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 06:22:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 06:22:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 06:22:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:22:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-12 06:22:50,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:22:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697894263] [2024-11-12 06:22:50,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697894263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:22:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342447864] [2024-11-12 06:22:50,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:22:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:22:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:22:50,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:22:50,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 06:22:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:22:51,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 06:22:51,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:22:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1836 proven. 303 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2024-11-12 06:22:55,152 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:23:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 129 proven. 321 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2024-11-12 06:23:13,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342447864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:23:13,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:23:13,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18, 18] total 39 [2024-11-12 06:23:13,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351033465] [2024-11-12 06:23:13,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:23:13,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-12 06:23:13,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:23:13,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-12 06:23:13,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=1207, Unknown=0, NotChecked=0, Total=1482 [2024-11-12 06:23:13,062 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) [2024-11-12 06:23:30,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:23:30,683 INFO L93 Difference]: Finished difference Result 11109 states and 16393 transitions. [2024-11-12 06:23:30,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-11-12 06:23:30,684 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 [2024-11-12 06:23:30,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:23:30,730 INFO L225 Difference]: With dead ends: 11109 [2024-11-12 06:23:30,730 INFO L226 Difference]: Without dead ends: 10115 [2024-11-12 06:23:30,742 INFO L434 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 [2024-11-12 06:23:30,743 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 9474 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 3574 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s 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, 9.5s IncrementalHoareTripleChecker+Time [2024-11-12 06:23:30,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9474 Valid, 4092 Invalid, 4000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 3574 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-12 06:23:30,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10115 states. [2024-11-12 06:23:31,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10115 to 2273. [2024-11-12 06:23:31,015 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) [2024-11-12 06:23:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 3376 transitions. [2024-11-12 06:23:31,027 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 3376 transitions. Word has length 283 [2024-11-12 06:23:31,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:23:31,027 INFO L471 AbstractCegarLoop]: Abstraction has 2273 states and 3376 transitions. [2024-11-12 06:23:31,028 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) [2024-11-12 06:23:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 3376 transitions. [2024-11-12 06:23:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-12 06:23:31,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:23:31,032 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:23:31,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 06:23:31,236 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 [2024-11-12 06:23:31,237 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:23:31,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:23:31,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1650259040, now seen corresponding path program 1 times [2024-11-12 06:23:31,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:23:31,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667725804] [2024-11-12 06:23:31,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:23:31,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:23:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 06:23:31,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895997696] [2024-11-12 06:23:31,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:23:31,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:23:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:23:31,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:23:31,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 06:23:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:23:31,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 06:23:31,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:23:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1445 proven. 150 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2024-11-12 06:23:32,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:23:33,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:23:33,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667725804] [2024-11-12 06:23:33,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 06:23:33,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895997696] [2024-11-12 06:23:33,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895997696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:23:33,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 06:23:33,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-12 06:23:33,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576599742] [2024-11-12 06:23:33,247 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 06:23:33,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 06:23:33,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:23:33,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 06:23:33,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=189, Unknown=5, NotChecked=0, Total=272 [2024-11-12 06:23:33,249 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) [2024-11-12 06:23:33,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:23:33,981 INFO L93 Difference]: Finished difference Result 4307 states and 6378 transitions. [2024-11-12 06:23:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 06:23:33,982 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 [2024-11-12 06:23:33,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:23:33,992 INFO L225 Difference]: With dead ends: 4307 [2024-11-12 06:23:33,992 INFO L226 Difference]: Without dead ends: 2187 [2024-11-12 06:23:33,998 INFO L434 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 [2024-11-12 06:23:33,999 INFO L435 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 [2024-11-12 06:23:33,999 INFO L436 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] [2024-11-12 06:23:34,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2024-11-12 06:23:34,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2031. [2024-11-12 06:23:34,202 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) [2024-11-12 06:23:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2989 transitions. [2024-11-12 06:23:34,210 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2989 transitions. Word has length 284 [2024-11-12 06:23:34,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:23:34,210 INFO L471 AbstractCegarLoop]: Abstraction has 2031 states and 2989 transitions. [2024-11-12 06:23:34,211 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) [2024-11-12 06:23:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2989 transitions. [2024-11-12 06:23:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-12 06:23:34,213 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:23:34,214 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:23:34,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 06:23:34,417 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 [2024-11-12 06:23:34,418 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:23:34,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:23:34,419 INFO L85 PathProgramCache]: Analyzing trace with hash 418681484, now seen corresponding path program 1 times [2024-11-12 06:23:34,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:23:34,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661305394] [2024-11-12 06:23:34,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:23:34,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms