./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-67.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 6953ac45278a08a3cd7aa6bba766924b380e26c77e34faa3b5c408a0e5b4f283 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:28:22,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:28:22,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:28:22,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:28:22,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:28:22,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:28:22,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:28:22,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:28:22,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:28:22,391 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:28:22,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:28:22,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:28:22,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:28:22,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:28:22,394 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:28:22,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:28:22,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:28:22,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:28:22,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:28:22,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:28:22,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:28:22,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:28:22,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:28:22,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:28:22,403 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:28:22,404 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:28:22,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:28:22,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:28:22,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:28:22,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:28:22,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:28:22,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:28:22,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:28:22,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:28:22,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:28:22,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:28:22,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:28:22,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:28:22,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:28:22,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:28:22,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:28:22,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:28:22,413 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6953ac45278a08a3cd7aa6bba766924b380e26c77e34faa3b5c408a0e5b4f283 [2024-10-11 12:28:22,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:28:22,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:28:22,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:28:22,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:28:22,774 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:28:22,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-67.i [2024-10-11 12:28:24,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:28:24,616 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:28:24,617 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-67.i [2024-10-11 12:28:24,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ced6ddcd2/c5ea2c3573d8454e919753e9731cabd8/FLAG0156a0d4c [2024-10-11 12:28:24,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ced6ddcd2/c5ea2c3573d8454e919753e9731cabd8 [2024-10-11 12:28:24,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:28:24,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:28:24,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:28:24,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:28:24,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:28:24,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:24" (1/1) ... [2024-10-11 12:28:24,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164e5bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:24, skipping insertion in model container [2024-10-11 12:28:24,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:24" (1/1) ... [2024-10-11 12:28:24,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:28:24,951 WARN L248 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-67.i[916,929] [2024-10-11 12:28:25,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:28:25,141 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:28:25,153 WARN L248 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-67.i[916,929] [2024-10-11 12:28:25,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:28:25,255 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:28:25,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25 WrapperNode [2024-10-11 12:28:25,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:28:25,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:28:25,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:28:25,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:28:25,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,377 INFO L138 Inliner]: procedures = 26, calls = 65, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 543 [2024-10-11 12:28:25,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:28:25,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:28:25,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:28:25,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:28:25,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,458 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]. [2024-10-11 12:28:25,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:28:25,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:28:25,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:28:25,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:28:25,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (1/1) ... [2024-10-11 12:28:25,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:28:25,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:28:25,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:28:25,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:28:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:28:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:28:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:28:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:28:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:28:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:28:25,731 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:28:25,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:28:26,819 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-10-11 12:28:26,821 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:28:26,876 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:28:26,876 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:28:26,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:26 BoogieIcfgContainer [2024-10-11 12:28:26,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:28:26,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:28:26,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:28:26,884 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:28:26,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:28:24" (1/3) ... [2024-10-11 12:28:26,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f84e01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:26, skipping insertion in model container [2024-10-11 12:28:26,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:25" (2/3) ... [2024-10-11 12:28:26,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f84e01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:26, skipping insertion in model container [2024-10-11 12:28:26,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:26" (3/3) ... [2024-10-11 12:28:26,887 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-67.i [2024-10-11 12:28:26,909 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:28:26,909 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:28:26,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:28:26,991 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;@320a31a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:28:26,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:28:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 154 states have (on average 1.5129870129870129) internal successors, (233), 155 states have internal predecessors, (233), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-11 12:28:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-10-11 12:28:27,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:27,032 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:27,032 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:27,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:27,038 INFO L85 PathProgramCache]: Analyzing trace with hash 645829600, now seen corresponding path program 1 times [2024-10-11 12:28:27,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:27,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363824697] [2024-10-11 12:28:27,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:27,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:27,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:28,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:28,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:28,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363824697] [2024-10-11 12:28:28,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363824697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:28,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:28,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:28:28,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825021022] [2024-10-11 12:28:28,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:28,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:28:28,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:28,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:28:28,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:28:28,065 INFO L87 Difference]: Start difference. First operand has 209 states, 154 states have (on average 1.5129870129870129) internal successors, (233), 155 states have internal predecessors, (233), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) [2024-10-11 12:28:28,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:28,145 INFO L93 Difference]: Finished difference Result 411 states and 718 transitions. [2024-10-11 12:28:28,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:28:28,152 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) Word has length 346 [2024-10-11 12:28:28,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:28,165 INFO L225 Difference]: With dead ends: 411 [2024-10-11 12:28:28,165 INFO L226 Difference]: Without dead ends: 203 [2024-10-11 12:28:28,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:28:28,182 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:28,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:28:28,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-10-11 12:28:28,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-10-11 12:28:28,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.4697986577181208) internal successors, (219), 149 states have internal predecessors, (219), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-11 12:28:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 323 transitions. [2024-10-11 12:28:28,271 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 323 transitions. Word has length 346 [2024-10-11 12:28:28,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:28,272 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 323 transitions. [2024-10-11 12:28:28,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) [2024-10-11 12:28:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 323 transitions. [2024-10-11 12:28:28,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-10-11 12:28:28,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:28,286 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:28,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:28:28,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:28,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:28,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1628053254, now seen corresponding path program 1 times [2024-10-11 12:28:28,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:28,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205381309] [2024-10-11 12:28:28,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:28,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:29,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:29,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205381309] [2024-10-11 12:28:29,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205381309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:29,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:29,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 12:28:29,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004279502] [2024-10-11 12:28:29,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:29,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 12:28:29,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:29,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 12:28:29,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:28:29,785 INFO L87 Difference]: Start difference. First operand 203 states and 323 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-10-11 12:28:30,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:30,494 INFO L93 Difference]: Finished difference Result 680 states and 1080 transitions. [2024-10-11 12:28:30,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:28:30,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 346 [2024-10-11 12:28:30,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:30,503 INFO L225 Difference]: With dead ends: 680 [2024-10-11 12:28:30,505 INFO L226 Difference]: Without dead ends: 478 [2024-10-11 12:28:30,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 12:28:30,509 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 601 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:30,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1262 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 12:28:30,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-10-11 12:28:30,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 403. [2024-10-11 12:28:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 296 states have (on average 1.4695945945945945) internal successors, (435), 296 states have internal predecessors, (435), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-11 12:28:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 643 transitions. [2024-10-11 12:28:30,573 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 643 transitions. Word has length 346 [2024-10-11 12:28:30,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:30,575 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 643 transitions. [2024-10-11 12:28:30,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-10-11 12:28:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 643 transitions. [2024-10-11 12:28:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-10-11 12:28:30,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:30,582 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:30,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:28:30,582 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:30,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:30,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1546241017, now seen corresponding path program 1 times [2024-10-11 12:28:30,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:30,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518572454] [2024-10-11 12:28:30,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:30,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:31,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:31,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518572454] [2024-10-11 12:28:31,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518572454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:31,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:31,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:28:31,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955730680] [2024-10-11 12:28:31,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:31,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:28:31,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:31,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:28:31,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:28:31,017 INFO L87 Difference]: Start difference. First operand 403 states and 643 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:31,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:31,138 INFO L93 Difference]: Finished difference Result 1203 states and 1919 transitions. [2024-10-11 12:28:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:28:31,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 347 [2024-10-11 12:28:31,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:31,147 INFO L225 Difference]: With dead ends: 1203 [2024-10-11 12:28:31,147 INFO L226 Difference]: Without dead ends: 801 [2024-10-11 12:28:31,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:28:31,151 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 317 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:31,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 930 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:28:31,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2024-10-11 12:28:31,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 799. [2024-10-11 12:28:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 586 states have (on average 1.4607508532423208) internal successors, (856), 586 states have internal predecessors, (856), 208 states have call successors, (208), 4 states have call predecessors, (208), 4 states have return successors, (208), 208 states have call predecessors, (208), 208 states have call successors, (208) [2024-10-11 12:28:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1272 transitions. [2024-10-11 12:28:31,257 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1272 transitions. Word has length 347 [2024-10-11 12:28:31,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:31,259 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1272 transitions. [2024-10-11 12:28:31,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1272 transitions. [2024-10-11 12:28:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-10-11 12:28:31,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:31,265 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:31,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 12:28:31,265 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:31,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:31,266 INFO L85 PathProgramCache]: Analyzing trace with hash -648398634, now seen corresponding path program 1 times [2024-10-11 12:28:31,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:31,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539757642] [2024-10-11 12:28:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:33,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:33,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:33,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539757642] [2024-10-11 12:28:33,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539757642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:33,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:33,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 12:28:33,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382848815] [2024-10-11 12:28:33,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:33,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 12:28:33,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:33,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 12:28:33,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 12:28:33,131 INFO L87 Difference]: Start difference. First operand 799 states and 1272 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:35,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:35,373 INFO L93 Difference]: Finished difference Result 3754 states and 5904 transitions. [2024-10-11 12:28:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 12:28:35,374 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 348 [2024-10-11 12:28:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:35,394 INFO L225 Difference]: With dead ends: 3754 [2024-10-11 12:28:35,395 INFO L226 Difference]: Without dead ends: 2956 [2024-10-11 12:28:35,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-11 12:28:35,404 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 889 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:35,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 3274 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 12:28:35,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2024-10-11 12:28:35,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 1859. [2024-10-11 12:28:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1434 states have (on average 1.5048814504881451) internal successors, (2158), 1434 states have internal predecessors, (2158), 416 states have call successors, (416), 8 states have call predecessors, (416), 8 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2024-10-11 12:28:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2990 transitions. [2024-10-11 12:28:35,677 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2990 transitions. Word has length 348 [2024-10-11 12:28:35,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:35,682 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2990 transitions. [2024-10-11 12:28:35,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2990 transitions. [2024-10-11 12:28:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-10-11 12:28:35,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:35,691 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:35,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 12:28:35,691 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:35,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash -871615195, now seen corresponding path program 1 times [2024-10-11 12:28:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570135967] [2024-10-11 12:28:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:35,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:36,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:36,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570135967] [2024-10-11 12:28:36,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570135967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:36,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:36,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:28:36,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689634724] [2024-10-11 12:28:36,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:36,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:28:36,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:36,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:28:36,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:28:36,438 INFO L87 Difference]: Start difference. First operand 1859 states and 2990 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:37,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:37,405 INFO L93 Difference]: Finished difference Result 5651 states and 9052 transitions. [2024-10-11 12:28:37,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 12:28:37,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 349 [2024-10-11 12:28:37,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:37,466 INFO L225 Difference]: With dead ends: 5651 [2024-10-11 12:28:37,466 INFO L226 Difference]: Without dead ends: 3793 [2024-10-11 12:28:37,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 12:28:37,479 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 737 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:37,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 1239 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 12:28:37,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3793 states. [2024-10-11 12:28:37,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3793 to 2743. [2024-10-11 12:28:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2743 states, 2106 states have (on average 1.4985754985754987) internal successors, (3156), 2106 states have internal predecessors, (3156), 624 states have call successors, (624), 12 states have call predecessors, (624), 12 states have return successors, (624), 624 states have call predecessors, (624), 624 states have call successors, (624) [2024-10-11 12:28:37,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 4404 transitions. [2024-10-11 12:28:37,837 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 4404 transitions. Word has length 349 [2024-10-11 12:28:37,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:37,838 INFO L471 AbstractCegarLoop]: Abstraction has 2743 states and 4404 transitions. [2024-10-11 12:28:37,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 4404 transitions. [2024-10-11 12:28:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-10-11 12:28:37,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:37,846 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:37,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 12:28:37,847 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:37,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:37,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1005628701, now seen corresponding path program 1 times [2024-10-11 12:28:37,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:37,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269808290] [2024-10-11 12:28:37,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:37,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:38,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:38,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269808290] [2024-10-11 12:28:38,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269808290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:38,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:38,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:28:38,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71178017] [2024-10-11 12:28:38,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:38,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:28:38,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:38,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:28:38,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:28:38,905 INFO L87 Difference]: Start difference. First operand 2743 states and 4404 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:39,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:39,845 INFO L93 Difference]: Finished difference Result 8115 states and 13018 transitions. [2024-10-11 12:28:39,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:28:39,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 349 [2024-10-11 12:28:39,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:39,881 INFO L225 Difference]: With dead ends: 8115 [2024-10-11 12:28:39,882 INFO L226 Difference]: Without dead ends: 5373 [2024-10-11 12:28:39,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:28:39,896 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 309 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:39,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1412 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 12:28:39,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2024-10-11 12:28:40,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 5371. [2024-10-11 12:28:40,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5371 states, 4098 states have (on average 1.4880429477794046) internal successors, (6098), 4098 states have internal predecessors, (6098), 1248 states have call successors, (1248), 24 states have call predecessors, (1248), 24 states have return successors, (1248), 1248 states have call predecessors, (1248), 1248 states have call successors, (1248) [2024-10-11 12:28:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 8594 transitions. [2024-10-11 12:28:40,525 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 8594 transitions. Word has length 349 [2024-10-11 12:28:40,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:40,528 INFO L471 AbstractCegarLoop]: Abstraction has 5371 states and 8594 transitions. [2024-10-11 12:28:40,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 8594 transitions. [2024-10-11 12:28:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-10-11 12:28:40,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:40,538 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:40,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 12:28:40,538 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:40,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:40,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1290692562, now seen corresponding path program 1 times [2024-10-11 12:28:40,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:40,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961166357] [2024-10-11 12:28:40,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:40,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:42,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:42,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:42,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961166357] [2024-10-11 12:28:42,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961166357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:42,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:42,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 12:28:42,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877188451] [2024-10-11 12:28:42,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:42,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 12:28:42,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:42,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 12:28:42,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:28:42,317 INFO L87 Difference]: Start difference. First operand 5371 states and 8594 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:45,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:45,084 INFO L93 Difference]: Finished difference Result 9406 states and 14922 transitions. [2024-10-11 12:28:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 12:28:45,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 349 [2024-10-11 12:28:45,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:45,132 INFO L225 Difference]: With dead ends: 9406 [2024-10-11 12:28:45,133 INFO L226 Difference]: Without dead ends: 7812 [2024-10-11 12:28:45,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-11 12:28:45,144 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 1264 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 3236 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:45,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 3236 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 12:28:45,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7812 states. [2024-10-11 12:28:45,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7812 to 5695. [2024-10-11 12:28:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5695 states, 4422 states have (on average 1.4975124378109452) internal successors, (6622), 4422 states have internal predecessors, (6622), 1248 states have call successors, (1248), 24 states have call predecessors, (1248), 24 states have return successors, (1248), 1248 states have call predecessors, (1248), 1248 states have call successors, (1248) [2024-10-11 12:28:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5695 states to 5695 states and 9118 transitions. [2024-10-11 12:28:45,857 INFO L78 Accepts]: Start accepts. Automaton has 5695 states and 9118 transitions. Word has length 349 [2024-10-11 12:28:45,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:45,859 INFO L471 AbstractCegarLoop]: Abstraction has 5695 states and 9118 transitions. [2024-10-11 12:28:45,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5695 states and 9118 transitions. [2024-10-11 12:28:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-10-11 12:28:45,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:45,869 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:45,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 12:28:45,870 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:45,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:45,870 INFO L85 PathProgramCache]: Analyzing trace with hash 164192597, now seen corresponding path program 1 times [2024-10-11 12:28:45,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:45,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784649668] [2024-10-11 12:28:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:46,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:46,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784649668] [2024-10-11 12:28:46,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784649668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:46,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:46,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:28:46,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255600112] [2024-10-11 12:28:46,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:46,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:28:46,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:46,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:28:46,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:28:46,217 INFO L87 Difference]: Start difference. First operand 5695 states and 9118 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:46,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:46,580 INFO L93 Difference]: Finished difference Result 12792 states and 20447 transitions. [2024-10-11 12:28:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:28:46,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 350 [2024-10-11 12:28:46,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:46,658 INFO L225 Difference]: With dead ends: 12792 [2024-10-11 12:28:46,659 INFO L226 Difference]: Without dead ends: 7098 [2024-10-11 12:28:46,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:28:46,685 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 167 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:46,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 669 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:28:46,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7098 states. [2024-10-11 12:28:47,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7098 to 5751. [2024-10-11 12:28:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5751 states, 4478 states have (on average 1.4935238945958016) internal successors, (6688), 4478 states have internal predecessors, (6688), 1248 states have call successors, (1248), 24 states have call predecessors, (1248), 24 states have return successors, (1248), 1248 states have call predecessors, (1248), 1248 states have call successors, (1248) [2024-10-11 12:28:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5751 states to 5751 states and 9184 transitions. [2024-10-11 12:28:47,316 INFO L78 Accepts]: Start accepts. Automaton has 5751 states and 9184 transitions. Word has length 350 [2024-10-11 12:28:47,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:47,320 INFO L471 AbstractCegarLoop]: Abstraction has 5751 states and 9184 transitions. [2024-10-11 12:28:47,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5751 states and 9184 transitions. [2024-10-11 12:28:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-10-11 12:28:47,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:47,330 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:47,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 12:28:47,330 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:47,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:47,331 INFO L85 PathProgramCache]: Analyzing trace with hash 517280979, now seen corresponding path program 1 times [2024-10-11 12:28:47,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:47,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804812898] [2024-10-11 12:28:47,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:47,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:48,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:48,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804812898] [2024-10-11 12:28:48,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804812898] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:48,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:48,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:28:48,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833351982] [2024-10-11 12:28:48,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:48,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:28:48,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:48,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:28:48,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:28:48,400 INFO L87 Difference]: Start difference. First operand 5751 states and 9184 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:49,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:49,446 INFO L93 Difference]: Finished difference Result 15456 states and 24634 transitions. [2024-10-11 12:28:49,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:28:49,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 350 [2024-10-11 12:28:49,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:49,506 INFO L225 Difference]: With dead ends: 15456 [2024-10-11 12:28:49,506 INFO L226 Difference]: Without dead ends: 9706 [2024-10-11 12:28:49,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:28:49,539 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 374 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:49,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1049 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 12:28:49,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9706 states. [2024-10-11 12:28:50,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9706 to 8267. [2024-10-11 12:28:50,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8267 states, 6358 states have (on average 1.4664988990248506) internal successors, (9324), 6358 states have internal predecessors, (9324), 1872 states have call successors, (1872), 36 states have call predecessors, (1872), 36 states have return successors, (1872), 1872 states have call predecessors, (1872), 1872 states have call successors, (1872) [2024-10-11 12:28:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8267 states to 8267 states and 13068 transitions. [2024-10-11 12:28:50,508 INFO L78 Accepts]: Start accepts. Automaton has 8267 states and 13068 transitions. Word has length 350 [2024-10-11 12:28:50,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:50,509 INFO L471 AbstractCegarLoop]: Abstraction has 8267 states and 13068 transitions. [2024-10-11 12:28:50,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 8267 states and 13068 transitions. [2024-10-11 12:28:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-10-11 12:28:50,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:50,518 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:50,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 12:28:50,518 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:50,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:50,519 INFO L85 PathProgramCache]: Analyzing trace with hash 245515133, now seen corresponding path program 1 times [2024-10-11 12:28:50,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:50,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676974038] [2024-10-11 12:28:50,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:50,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:51,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:51,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676974038] [2024-10-11 12:28:51,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676974038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:51,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:51,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:28:51,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676953012] [2024-10-11 12:28:51,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:51,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:28:51,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:51,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:28:51,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:28:51,330 INFO L87 Difference]: Start difference. First operand 8267 states and 13068 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:52,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:52,474 INFO L93 Difference]: Finished difference Result 24799 states and 39202 transitions. [2024-10-11 12:28:52,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:28:52,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 350 [2024-10-11 12:28:52,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:52,558 INFO L225 Difference]: With dead ends: 24799 [2024-10-11 12:28:52,558 INFO L226 Difference]: Without dead ends: 16533 [2024-10-11 12:28:52,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:28:52,590 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 208 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:52,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1147 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:28:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16533 states. [2024-10-11 12:28:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16533 to 16531. [2024-10-11 12:28:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16531 states, 12714 states have (on average 1.4615384615384615) internal successors, (18582), 12714 states have internal predecessors, (18582), 3744 states have call successors, (3744), 72 states have call predecessors, (3744), 72 states have return successors, (3744), 3744 states have call predecessors, (3744), 3744 states have call successors, (3744) [2024-10-11 12:28:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16531 states to 16531 states and 26070 transitions. [2024-10-11 12:28:54,758 INFO L78 Accepts]: Start accepts. Automaton has 16531 states and 26070 transitions. Word has length 350 [2024-10-11 12:28:54,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:28:54,759 INFO L471 AbstractCegarLoop]: Abstraction has 16531 states and 26070 transitions. [2024-10-11 12:28:54,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 16531 states and 26070 transitions. [2024-10-11 12:28:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-10-11 12:28:54,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:28:54,771 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:28:54,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 12:28:54,771 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:28:54,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:28:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1503556487, now seen corresponding path program 1 times [2024-10-11 12:28:54,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:28:54,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156208690] [2024-10-11 12:28:54,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:28:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:28:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:28:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:28:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:28:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:28:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:28:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:28:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:28:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:28:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:28:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:28:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:28:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:28:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:28:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:28:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:28:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:28:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:28:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:28:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:28:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:28:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:28:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:28:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:28:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:28:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:28:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:28:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:28:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:28:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:28:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:28:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:28:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:28:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:28:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:28:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:28:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:28:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:28:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:28:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:28:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:28:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:28:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:28:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:28:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:28:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:28:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:28:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:28:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:28:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:28:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:28:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:28:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:28:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:28:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:28:55,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:28:55,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156208690] [2024-10-11 12:28:55,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156208690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:28:55,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:28:55,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:28:55,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457029207] [2024-10-11 12:28:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:28:55,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:28:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:28:55,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:28:55,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:28:55,743 INFO L87 Difference]: Start difference. First operand 16531 states and 26070 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:28:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:28:58,148 INFO L93 Difference]: Finished difference Result 44189 states and 70145 transitions. [2024-10-11 12:28:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 12:28:58,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 351 [2024-10-11 12:28:58,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:28:58,331 INFO L225 Difference]: With dead ends: 44189 [2024-10-11 12:28:58,332 INFO L226 Difference]: Without dead ends: 32691 [2024-10-11 12:28:58,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:28:58,397 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 822 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 12:28:58,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 1267 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 12:28:58,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32691 states. [2024-10-11 12:29:01,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32691 to 27003. [2024-10-11 12:29:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27003 states, 20642 states have (on average 1.4530568743338823) internal successors, (29994), 20642 states have internal predecessors, (29994), 6240 states have call successors, (6240), 120 states have call predecessors, (6240), 120 states have return successors, (6240), 6240 states have call predecessors, (6240), 6240 states have call successors, (6240) [2024-10-11 12:29:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27003 states to 27003 states and 42474 transitions. [2024-10-11 12:29:01,744 INFO L78 Accepts]: Start accepts. Automaton has 27003 states and 42474 transitions. Word has length 351 [2024-10-11 12:29:01,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:29:01,745 INFO L471 AbstractCegarLoop]: Abstraction has 27003 states and 42474 transitions. [2024-10-11 12:29:01,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-10-11 12:29:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27003 states and 42474 transitions. [2024-10-11 12:29:01,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-10-11 12:29:01,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:29:01,759 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:29:01,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 12:29:01,759 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:29:01,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:29:01,760 INFO L85 PathProgramCache]: Analyzing trace with hash -995319182, now seen corresponding path program 1 times [2024-10-11 12:29:01,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:29:01,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036239115] [2024-10-11 12:29:01,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:29:01,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:29:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:29:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:29:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:29:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:29:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:29:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:29:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:29:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:29:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:29:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:29:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:29:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:29:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:29:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:29:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:29:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:29:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:29:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:29:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:29:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:29:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:29:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:29:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:29:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:29:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:29:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:29:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:29:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:29:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:29:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:29:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:29:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:29:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:29:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:29:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:29:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:29:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:29:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:29:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:29:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:29:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:29:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:29:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:29:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:29:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:29:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:29:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:29:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:29:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:29:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:29:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:29:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:29:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-10-11 12:29:04,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:29:04,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036239115] [2024-10-11 12:29:04,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036239115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:29:04,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:29:04,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 12:29:04,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820789353] [2024-10-11 12:29:04,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:29:04,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 12:29:04,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:29:04,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 12:29:04,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:29:04,635 INFO L87 Difference]: Start difference. First operand 27003 states and 42474 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-10-11 12:29:06,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:29:06,903 INFO L93 Difference]: Finished difference Result 56730 states and 89083 transitions. [2024-10-11 12:29:06,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:29:06,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 351 [2024-10-11 12:29:06,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:29:07,088 INFO L225 Difference]: With dead ends: 56730 [2024-10-11 12:29:07,088 INFO L226 Difference]: Without dead ends: 29728 [2024-10-11 12:29:07,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 12:29:07,186 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 255 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 12:29:07,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1419 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 12:29:07,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29728 states. [2024-10-11 12:29:10,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29728 to 27091. [2024-10-11 12:29:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27091 states, 20677 states have (on average 1.452289984040238) internal successors, (30029), 20677 states have internal predecessors, (30029), 6292 states have call successors, (6292), 121 states have call predecessors, (6292), 121 states have return successors, (6292), 6292 states have call predecessors, (6292), 6292 states have call successors, (6292) [2024-10-11 12:29:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27091 states to 27091 states and 42613 transitions. [2024-10-11 12:29:10,586 INFO L78 Accepts]: Start accepts. Automaton has 27091 states and 42613 transitions. Word has length 351 [2024-10-11 12:29:10,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:29:10,587 INFO L471 AbstractCegarLoop]: Abstraction has 27091 states and 42613 transitions. [2024-10-11 12:29:10,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-10-11 12:29:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 27091 states and 42613 transitions. [2024-10-11 12:29:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-10-11 12:29:10,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:29:10,595 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:29:10,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 12:29:10,596 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:29:10,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:29:10,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1003066811, now seen corresponding path program 1 times [2024-10-11 12:29:10,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:29:10,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39465895] [2024-10-11 12:29:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:29:10,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:29:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:29:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:29:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:29:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 12:29:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:29:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:29:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 12:29:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:29:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:29:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:29:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:29:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:29:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:29:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:29:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 12:29:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:29:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 12:29:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:29:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 12:29:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 12:29:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 12:29:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 12:29:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:29:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:29:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 12:29:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 12:29:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 12:29:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 12:29:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 12:29:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 12:29:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:29:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 12:29:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:29:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 12:29:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:29:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 12:29:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:29:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 12:29:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:29:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 12:29:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:29:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 12:29:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:29:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 12:29:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:29:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 12:29:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:29:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 12:29:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 12:29:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-11 12:29:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 12:29:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-11 12:29:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:11,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 105 proven. 48 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-10-11 12:29:11,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:29:11,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39465895] [2024-10-11 12:29:11,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39465895] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:29:11,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208316273] [2024-10-11 12:29:11,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:29:11,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:29:11,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:29:11,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:29:11,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 12:29:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:29:12,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 12:29:12,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:29:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 1221 proven. 18 refuted. 0 times theorem prover too weak. 4065 trivial. 0 not checked. [2024-10-11 12:29:13,390 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:29:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 135 proven. 18 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-10-11 12:29:14,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208316273] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 12:29:14,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 12:29:14,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 11] total 23 [2024-10-11 12:29:14,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916939814] [2024-10-11 12:29:14,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 12:29:14,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 12:29:14,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:29:14,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 12:29:14,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-10-11 12:29:14,871 INFO L87 Difference]: Start difference. First operand 27091 states and 42613 transitions. Second operand has 23 states, 23 states have (on average 11.347826086956522) internal successors, (261), 23 states have internal predecessors, (261), 6 states have call successors, (156), 3 states have call predecessors, (156), 6 states have return successors, (156), 6 states have call predecessors, (156), 6 states have call successors, (156)