./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-18.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 307330b5784102094d6e331f59192507d431682cdaaa70e5c84c83c1216c8289 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:18:10,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:18:10,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:18:10,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:18:10,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:18:10,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:18:10,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:18:10,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:18:10,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:18:10,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:18:10,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:18:10,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:18:10,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:18:10,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:18:10,591 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:18:10,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:18:10,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:18:10,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:18:10,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:18:10,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:18:10,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:18:10,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:18:10,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:18:10,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:18:10,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:18:10,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:18:10,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:18:10,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:18:10,596 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:18:10,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:18:10,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:18:10,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:18:10,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:18:10,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:18:10,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:18:10,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:18:10,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:18:10,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:18:10,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:18:10,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:18:10,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:18:10,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:18:10,601 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307330b5784102094d6e331f59192507d431682cdaaa70e5c84c83c1216c8289 [2024-11-16 17:18:10,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:18:10,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:18:10,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:18:10,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:18:10,878 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:18:10,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-18.i [2024-11-16 17:18:12,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:18:12,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:18:12,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-18.i [2024-11-16 17:18:12,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74054b25a/8284a85984dd44c7bd1dc97067d2bb17/FLAG2ac38c082 [2024-11-16 17:18:12,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74054b25a/8284a85984dd44c7bd1dc97067d2bb17 [2024-11-16 17:18:12,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:18:12,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:18:12,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:18:12,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:18:12,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:18:12,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb847db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:12, skipping insertion in model container [2024-11-16 17:18:12,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:18:12" (1/1) ... [2024-11-16 17:18:12,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:18:13,132 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-18.i[916,929] [2024-11-16 17:18:13,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:18:13,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:18:13,326 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-18.i[916,929] [2024-11-16 17:18:13,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:18:13,460 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:18:13,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13 WrapperNode [2024-11-16 17:18:13,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:18:13,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:18:13,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:18:13,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:18:13,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,543 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 490 [2024-11-16 17:18:13,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:18:13,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:18:13,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:18:13,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:18:13,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,564 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,595 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 17:18:13,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,622 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:18:13,641 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:18:13,641 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:18:13,642 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:18:13,642 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (1/1) ... [2024-11-16 17:18:13,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:18:13,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:18:13,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 17:18:13,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 17:18:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:18:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:18:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:18:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:18:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:18:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:18:13,838 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:18:13,840 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:18:14,667 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L400: havoc property_#t~bitwise35#1;havoc property_#t~short36#1;havoc property_#t~bitwise37#1;havoc property_#t~short38#1;havoc property_#t~ite40#1;havoc property_#t~bitwise39#1;havoc property_#t~short41#1;havoc property_#t~ite43#1;havoc property_#t~bitwise42#1;havoc property_#t~short44#1; [2024-11-16 17:18:14,757 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-16 17:18:14,758 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:18:14,785 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:18:14,785 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:18:14,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:18:14 BoogieIcfgContainer [2024-11-16 17:18:14,786 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:18:14,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:18:14,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:18:14,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:18:14,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:18:12" (1/3) ... [2024-11-16 17:18:14,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7066578d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:18:14, skipping insertion in model container [2024-11-16 17:18:14,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:13" (2/3) ... [2024-11-16 17:18:14,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7066578d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:18:14, skipping insertion in model container [2024-11-16 17:18:14,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:18:14" (3/3) ... [2024-11-16 17:18:14,796 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-18.i [2024-11-16 17:18:14,809 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:18:14,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:18:14,890 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:18:14,896 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;@7eda5c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:18:14,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:18:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 152 states have (on average 1.5263157894736843) internal successors, (232), 153 states have internal predecessors, (232), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-16 17:18:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-16 17:18:14,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:14,930 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:14,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:14,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:14,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1740507061, now seen corresponding path program 1 times [2024-11-16 17:18:14,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:14,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511910109] [2024-11-16 17:18:14,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:14,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:18:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:18:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:18:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:18:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:18:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:18:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:18:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:18:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:18:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:18:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:18:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:18:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:18:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:18:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:18:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:18:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:18:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:18:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:18:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:18:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:18:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:18:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:18:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:18:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:18:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:18:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:18:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:18:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:18:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:18:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:18:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:18:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:18:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:18:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:18:15,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:15,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511910109] [2024-11-16 17:18:15,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511910109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:15,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:15,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:18:15,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551588438] [2024-11-16 17:18:15,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:15,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:18:15,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:15,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:18:15,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:18:15,854 INFO L87 Difference]: Start difference. First operand has 206 states, 152 states have (on average 1.5263157894736843) internal successors, (232), 153 states have internal predecessors, (232), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-16 17:18:15,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:15,927 INFO L93 Difference]: Finished difference Result 404 states and 712 transitions. [2024-11-16 17:18:15,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:18:15,931 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) Word has length 344 [2024-11-16 17:18:15,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:15,943 INFO L225 Difference]: With dead ends: 404 [2024-11-16 17:18:15,945 INFO L226 Difference]: Without dead ends: 201 [2024-11-16 17:18:15,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:18:15,954 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:15,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 316 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:18:15,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-16 17:18:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2024-11-16 17:18:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 148 states have (on average 1.5) internal successors, (222), 148 states have internal predecessors, (222), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-16 17:18:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 324 transitions. [2024-11-16 17:18:16,044 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 324 transitions. Word has length 344 [2024-11-16 17:18:16,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:16,045 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 324 transitions. [2024-11-16 17:18:16,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-16 17:18:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 324 transitions. [2024-11-16 17:18:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-16 17:18:16,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:16,054 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:16,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:18:16,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:16,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:16,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1691570328, now seen corresponding path program 1 times [2024-11-16 17:18:16,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:16,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016523329] [2024-11-16 17:18:16,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:16,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:18:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:18:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:18:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:18:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:18:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:18:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:18:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:18:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:18:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:18:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:18:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:18:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:18:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:18:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:18:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:18:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:18:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:18:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:18:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:18:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:18:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:18:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:18:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:18:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:18:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:18:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:18:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:18:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:18:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:18:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:18:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:18:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:18:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:18:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:18:16,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:16,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016523329] [2024-11-16 17:18:16,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016523329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:16,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:16,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:18:16,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125865415] [2024-11-16 17:18:16,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:16,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:18:16,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:16,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:18:16,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:16,687 INFO L87 Difference]: Start difference. First operand 201 states and 324 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:16,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:16,858 INFO L93 Difference]: Finished difference Result 591 states and 956 transitions. [2024-11-16 17:18:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:16,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 344 [2024-11-16 17:18:16,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:16,866 INFO L225 Difference]: With dead ends: 591 [2024-11-16 17:18:16,867 INFO L226 Difference]: Without dead ends: 393 [2024-11-16 17:18:16,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:16,872 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 284 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:16,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 656 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:16,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-16 17:18:16,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 388. [2024-11-16 17:18:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 283 states have (on average 1.4840989399293287) internal successors, (420), 283 states have internal predecessors, (420), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-16 17:18:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 624 transitions. [2024-11-16 17:18:16,922 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 624 transitions. Word has length 344 [2024-11-16 17:18:16,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:16,924 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 624 transitions. [2024-11-16 17:18:16,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 624 transitions. [2024-11-16 17:18:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-16 17:18:16,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:16,931 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:16,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 17:18:16,932 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:16,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:16,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1006227990, now seen corresponding path program 1 times [2024-11-16 17:18:16,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:16,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697011253] [2024-11-16 17:18:16,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:16,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:18:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:18:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:18:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:18:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:18:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:18:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:18:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:18:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:18:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:18:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:18:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:18:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:18:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:18:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:18:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:18:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:18:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:18:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:18:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:18:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:18:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:18:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:18:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:18:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:18:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:18:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:18:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:18:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:18:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:18:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:18:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:18:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:18:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:18:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:18:17,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:17,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697011253] [2024-11-16 17:18:17,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697011253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:17,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:17,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:18:17,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506784377] [2024-11-16 17:18:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:17,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:18:17,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:17,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:18:17,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:17,315 INFO L87 Difference]: Start difference. First operand 388 states and 624 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:17,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:17,447 INFO L93 Difference]: Finished difference Result 1152 states and 1854 transitions. [2024-11-16 17:18:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:17,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 344 [2024-11-16 17:18:17,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:17,458 INFO L225 Difference]: With dead ends: 1152 [2024-11-16 17:18:17,458 INFO L226 Difference]: Without dead ends: 767 [2024-11-16 17:18:17,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:17,461 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 313 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:17,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 917 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:17,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-11-16 17:18:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 390. [2024-11-16 17:18:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 285 states have (on average 1.4807017543859649) internal successors, (422), 285 states have internal predecessors, (422), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-16 17:18:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 626 transitions. [2024-11-16 17:18:17,534 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 626 transitions. Word has length 344 [2024-11-16 17:18:17,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:17,536 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 626 transitions. [2024-11-16 17:18:17,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 626 transitions. [2024-11-16 17:18:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-16 17:18:17,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:17,542 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:17,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 17:18:17,542 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:17,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash 450122729, now seen corresponding path program 1 times [2024-11-16 17:18:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:17,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161342116] [2024-11-16 17:18:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:17,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:18:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:18:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:18:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:18:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:18:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:18:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:18:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:18:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:18:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:18:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:18:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:18:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:18:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:18:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:18:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:18:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:18:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:17,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:18:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:18:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:18:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:18:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:18:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:18:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:18:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:18:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:18:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:18:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:18:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:18:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:18:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:18:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:18:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:18:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:18:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:18:18,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:18,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161342116] [2024-11-16 17:18:18,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161342116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:18,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:18,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:18:18,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661407212] [2024-11-16 17:18:18,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:18,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:18:18,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:18,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:18:18,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:18:18,064 INFO L87 Difference]: Start difference. First operand 390 states and 626 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-11-16 17:18:18,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:18,240 INFO L93 Difference]: Finished difference Result 777 states and 1249 transitions. [2024-11-16 17:18:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:18,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 344 [2024-11-16 17:18:18,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:18,244 INFO L225 Difference]: With dead ends: 777 [2024-11-16 17:18:18,244 INFO L226 Difference]: Without dead ends: 390 [2024-11-16 17:18:18,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:18:18,246 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 452 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:18,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 304 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:18,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-16 17:18:18,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 388. [2024-11-16 17:18:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 283 states have (on average 1.4770318021201414) internal successors, (418), 283 states have internal predecessors, (418), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-16 17:18:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 622 transitions. [2024-11-16 17:18:18,275 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 622 transitions. Word has length 344 [2024-11-16 17:18:18,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:18,276 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 622 transitions. [2024-11-16 17:18:18,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-11-16 17:18:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 622 transitions. [2024-11-16 17:18:18,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-16 17:18:18,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:18,281 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:18,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 17:18:18,282 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:18,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:18,283 INFO L85 PathProgramCache]: Analyzing trace with hash 675360497, now seen corresponding path program 1 times [2024-11-16 17:18:18,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:18,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144076737] [2024-11-16 17:18:18,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:18,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:18:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:18:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:18:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:18:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:18:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:18:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:18:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:18:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:18:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:18:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:18:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:18:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:18:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:18:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:18:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:18:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:18:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:18:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:18:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:18:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:18:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:18:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:18:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:18:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:18:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:18:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:18:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:18:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:18:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:18:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:18:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:18:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:18:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:18:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:18:19,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144076737] [2024-11-16 17:18:19,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144076737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:19,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:19,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:18:19,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255899938] [2024-11-16 17:18:19,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:19,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:18:19,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:19,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:18:19,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:18:19,762 INFO L87 Difference]: Start difference. First operand 388 states and 622 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-16 17:18:20,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:20,277 INFO L93 Difference]: Finished difference Result 1066 states and 1709 transitions. [2024-11-16 17:18:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:18:20,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 345 [2024-11-16 17:18:20,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:20,282 INFO L225 Difference]: With dead ends: 1066 [2024-11-16 17:18:20,283 INFO L226 Difference]: Without dead ends: 681 [2024-11-16 17:18:20,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:18:20,285 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 458 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:20,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 885 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 17:18:20,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-16 17:18:20,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 475. [2024-11-16 17:18:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 318 states have (on average 1.4276729559748427) internal successors, (454), 318 states have internal predecessors, (454), 153 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2024-11-16 17:18:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 760 transitions. [2024-11-16 17:18:20,350 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 760 transitions. Word has length 345 [2024-11-16 17:18:20,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:20,351 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 760 transitions. [2024-11-16 17:18:20,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-16 17:18:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 760 transitions. [2024-11-16 17:18:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-16 17:18:20,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:20,356 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:20,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 17:18:20,356 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:20,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:20,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1387168622, now seen corresponding path program 1 times [2024-11-16 17:18:20,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:20,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996501084] [2024-11-16 17:18:20,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:20,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:18:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:18:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:18:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:18:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:18:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:18:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:18:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:18:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:18:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:18:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:18:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:18:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:18:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:18:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:18:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:18:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:18:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:18:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:18:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:18:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:18:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:18:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:18:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:18:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:18:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:18:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:18:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:18:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:18:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:18:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:18:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:18:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:18:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:18:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:18:21,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:21,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996501084] [2024-11-16 17:18:21,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996501084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:21,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:21,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:18:21,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422917752] [2024-11-16 17:18:21,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:21,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:18:21,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:21,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:18:21,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:18:21,849 INFO L87 Difference]: Start difference. First operand 475 states and 760 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:22,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:22,344 INFO L93 Difference]: Finished difference Result 1369 states and 2143 transitions. [2024-11-16 17:18:22,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:18:22,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 345 [2024-11-16 17:18:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:22,352 INFO L225 Difference]: With dead ends: 1369 [2024-11-16 17:18:22,352 INFO L226 Difference]: Without dead ends: 984 [2024-11-16 17:18:22,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:18:22,356 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 603 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:22,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 824 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 17:18:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-16 17:18:22,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 707. [2024-11-16 17:18:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 520 states have (on average 1.4615384615384615) internal successors, (760), 522 states have internal predecessors, (760), 181 states have call successors, (181), 5 states have call predecessors, (181), 5 states have return successors, (181), 179 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-16 17:18:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1122 transitions. [2024-11-16 17:18:22,443 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1122 transitions. Word has length 345 [2024-11-16 17:18:22,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:22,444 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 1122 transitions. [2024-11-16 17:18:22,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1122 transitions. [2024-11-16 17:18:22,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-16 17:18:22,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:22,450 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:22,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 17:18:22,450 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:22,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:22,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1554488977, now seen corresponding path program 1 times [2024-11-16 17:18:22,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:22,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343372950] [2024-11-16 17:18:22,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:22,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:18:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:18:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:18:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:18:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:18:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:18:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:18:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:18:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:18:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:18:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:18:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:18:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:18:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:18:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:18:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:18:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:18:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:18:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:18:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:18:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:18:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:18:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:18:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:18:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:18:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:18:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:18:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:18:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:18:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:18:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:18:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:18:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:18:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:18:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:18:23,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:23,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343372950] [2024-11-16 17:18:23,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343372950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:23,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:23,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:18:23,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382924149] [2024-11-16 17:18:23,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:23,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:18:23,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:23,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:18:23,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:18:23,815 INFO L87 Difference]: Start difference. First operand 707 states and 1122 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:24,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:24,894 INFO L93 Difference]: Finished difference Result 3101 states and 4918 transitions. [2024-11-16 17:18:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:18:24,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 345 [2024-11-16 17:18:24,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:24,913 INFO L225 Difference]: With dead ends: 3101 [2024-11-16 17:18:24,913 INFO L226 Difference]: Without dead ends: 2484 [2024-11-16 17:18:24,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 17:18:24,921 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 856 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:24,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 1156 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 17:18:24,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2024-11-16 17:18:25,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 1567. [2024-11-16 17:18:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1246 states have (on average 1.4983948635634028) internal successors, (1867), 1250 states have internal predecessors, (1867), 311 states have call successors, (311), 9 states have call predecessors, (311), 9 states have return successors, (311), 307 states have call predecessors, (311), 311 states have call successors, (311) [2024-11-16 17:18:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2489 transitions. [2024-11-16 17:18:25,107 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2489 transitions. Word has length 345 [2024-11-16 17:18:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:25,108 INFO L471 AbstractCegarLoop]: Abstraction has 1567 states and 2489 transitions. [2024-11-16 17:18:25,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2489 transitions. [2024-11-16 17:18:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-16 17:18:25,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:25,114 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:25,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 17:18:25,114 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:25,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:25,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1896006448, now seen corresponding path program 1 times [2024-11-16 17:18:25,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:25,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259878625] [2024-11-16 17:18:25,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:25,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:18:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:18:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:18:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:18:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:18:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:18:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:18:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:18:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:18:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:18:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:18:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:18:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:18:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:18:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:18:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:18:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:18:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:18:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:18:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:18:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:18:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:18:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:18:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:18:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:18:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:18:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:18:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:18:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:18:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:18:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:18:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:18:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:18:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:18:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:18:49,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:49,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259878625] [2024-11-16 17:18:49,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259878625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:49,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:49,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:18:49,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546214883] [2024-11-16 17:18:49,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:49,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:18:49,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:49,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:18:49,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:18:49,303 INFO L87 Difference]: Start difference. First operand 1567 states and 2489 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:50,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:50,973 INFO L93 Difference]: Finished difference Result 4810 states and 7577 transitions. [2024-11-16 17:18:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:18:50,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 345 [2024-11-16 17:18:50,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:50,991 INFO L225 Difference]: With dead ends: 4810 [2024-11-16 17:18:50,991 INFO L226 Difference]: Without dead ends: 3333 [2024-11-16 17:18:50,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:18:50,997 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 388 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:50,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1445 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 17:18:51,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2024-11-16 17:18:51,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 1687. [2024-11-16 17:18:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1366 states have (on average 1.4985358711566619) internal successors, (2047), 1370 states have internal predecessors, (2047), 311 states have call successors, (311), 9 states have call predecessors, (311), 9 states have return successors, (311), 307 states have call predecessors, (311), 311 states have call successors, (311) [2024-11-16 17:18:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2669 transitions. [2024-11-16 17:18:51,173 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2669 transitions. Word has length 345 [2024-11-16 17:18:51,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:51,174 INFO L471 AbstractCegarLoop]: Abstraction has 1687 states and 2669 transitions. [2024-11-16 17:18:51,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:18:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2669 transitions. [2024-11-16 17:18:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-16 17:18:51,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:51,180 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:18:51,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 17:18:51,181 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:51,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:51,181 INFO L85 PathProgramCache]: Analyzing trace with hash -710599345, now seen corresponding path program 1 times [2024-11-16 17:18:51,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:51,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192020275] [2024-11-16 17:18:51,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:51,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:19:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:19:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:19:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:19:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:19:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:19:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:19:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:19:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:19:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:19:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:19:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:19:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:19:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:19:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:19:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:19:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:19:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:19:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:19:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:19:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:19:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:19:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:19:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:19:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:19:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:19:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:19:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:19:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:19:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:19:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:19:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:19:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:19:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:19:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:19:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:19:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:19:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:19:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:19:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:19:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:19:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:19:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:19:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:19:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:19:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:19:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:19:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:19:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:19:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:19:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:19:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:19:11,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:19:11,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192020275] [2024-11-16 17:19:11,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192020275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:19:11,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:19:11,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 17:19:11,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195995566] [2024-11-16 17:19:11,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:19:11,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 17:19:11,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:19:11,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 17:19:11,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:19:11,386 INFO L87 Difference]: Start difference. First operand 1687 states and 2669 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:19:12,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:19:12,157 INFO L93 Difference]: Finished difference Result 5383 states and 8322 transitions. [2024-11-16 17:19:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 17:19:12,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 345 [2024-11-16 17:19:12,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:19:12,175 INFO L225 Difference]: With dead ends: 5383 [2024-11-16 17:19:12,176 INFO L226 Difference]: Without dead ends: 3786 [2024-11-16 17:19:12,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-16 17:19:12,183 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 333 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 17:19:12,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 887 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 17:19:12,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2024-11-16 17:19:12,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 3251. [2024-11-16 17:19:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 2865 states have (on average 1.4890052356020942) internal successors, (4266), 2885 states have internal predecessors, (4266), 359 states have call successors, (359), 26 states have call predecessors, (359), 26 states have return successors, (359), 339 states have call predecessors, (359), 359 states have call successors, (359) [2024-11-16 17:19:12,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 4984 transitions. [2024-11-16 17:19:12,375 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 4984 transitions. Word has length 345 [2024-11-16 17:19:12,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:19:12,375 INFO L471 AbstractCegarLoop]: Abstraction has 3251 states and 4984 transitions. [2024-11-16 17:19:12,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:19:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 4984 transitions. [2024-11-16 17:19:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-16 17:19:12,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:19:12,384 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:19:12,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 17:19:12,384 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:19:12,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:19:12,385 INFO L85 PathProgramCache]: Analyzing trace with hash -201761519, now seen corresponding path program 1 times [2024-11-16 17:19:12,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:19:12,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275212934] [2024-11-16 17:19:12,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:19:12,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:19:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:19:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:19:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:19:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:19:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:19:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:19:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:19:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:19:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:19:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:19:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:19:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:19:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:19:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:19:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:19:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:19:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:19:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:19:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:19:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:19:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:19:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:19:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:19:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:19:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:19:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:19:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:19:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:19:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:19:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:19:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:19:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:19:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:19:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:19:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:19:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:19:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:19:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:19:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:19:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:19:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:19:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:19:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:19:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:19:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:19:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:19:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:19:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:19:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:19:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:19:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:19:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:19:13,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:19:13,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275212934] [2024-11-16 17:19:13,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275212934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:19:13,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:19:13,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 17:19:13,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899505696] [2024-11-16 17:19:13,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:19:13,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 17:19:13,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:19:13,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 17:19:13,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:19:13,332 INFO L87 Difference]: Start difference. First operand 3251 states and 4984 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:19:14,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:19:14,034 INFO L93 Difference]: Finished difference Result 8855 states and 13446 transitions. [2024-11-16 17:19:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 17:19:14,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 345 [2024-11-16 17:19:14,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:19:14,063 INFO L225 Difference]: With dead ends: 8855 [2024-11-16 17:19:14,063 INFO L226 Difference]: Without dead ends: 5698 [2024-11-16 17:19:14,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:19:14,072 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 667 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 17:19:14,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 1170 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 17:19:14,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5698 states. [2024-11-16 17:19:14,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5698 to 3629. [2024-11-16 17:19:14,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3629 states, 3243 states have (on average 1.5047795251310514) internal successors, (4880), 3263 states have internal predecessors, (4880), 359 states have call successors, (359), 26 states have call predecessors, (359), 26 states have return successors, (359), 339 states have call predecessors, (359), 359 states have call successors, (359) [2024-11-16 17:19:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 3629 states and 5598 transitions. [2024-11-16 17:19:14,300 INFO L78 Accepts]: Start accepts. Automaton has 3629 states and 5598 transitions. Word has length 345 [2024-11-16 17:19:14,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:19:14,301 INFO L471 AbstractCegarLoop]: Abstraction has 3629 states and 5598 transitions. [2024-11-16 17:19:14,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:19:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 5598 transitions. [2024-11-16 17:19:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-16 17:19:14,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:19:14,308 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:19:14,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 17:19:14,308 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:19:14,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:19:14,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1343720303, now seen corresponding path program 1 times [2024-11-16 17:19:14,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:19:14,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135054160] [2024-11-16 17:19:14,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:19:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:19:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:19:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:19:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:19:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:19:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:19:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:19:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:19:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:19:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:19:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:19:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:19:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:19:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:19:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:19:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:19:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:19:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:19:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:19:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:19:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:19:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:19:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:19:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:19:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:19:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:19:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:19:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:19:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:19:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:19:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:19:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:19:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:19:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:19:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:19:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:19:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:19:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:19:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:19:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:19:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:19:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:19:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:19:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:19:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:19:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:19:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:19:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:19:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:19:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:19:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:19:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:19:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:19:14,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:19:14,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135054160] [2024-11-16 17:19:14,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135054160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:19:14,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:19:14,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:19:14,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217799222] [2024-11-16 17:19:14,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:19:14,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:19:14,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:19:14,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:19:14,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:19:14,509 INFO L87 Difference]: Start difference. First operand 3629 states and 5598 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, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:19:14,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:19:14,769 INFO L93 Difference]: Finished difference Result 9253 states and 14274 transitions. [2024-11-16 17:19:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:19:14,769 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, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 345 [2024-11-16 17:19:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:19:14,805 INFO L225 Difference]: With dead ends: 9253 [2024-11-16 17:19:14,809 INFO L226 Difference]: Without dead ends: 5718 [2024-11-16 17:19:14,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:19:14,818 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 316 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:19:14,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 691 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:19:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5718 states. [2024-11-16 17:19:15,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5718 to 5663. [2024-11-16 17:19:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5663 states, 4969 states have (on average 1.490038237069833) internal successors, (7404), 5001 states have internal predecessors, (7404), 651 states have call successors, (651), 42 states have call predecessors, (651), 42 states have return successors, (651), 619 states have call predecessors, (651), 651 states have call successors, (651) [2024-11-16 17:19:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5663 states to 5663 states and 8706 transitions. [2024-11-16 17:19:15,223 INFO L78 Accepts]: Start accepts. Automaton has 5663 states and 8706 transitions. Word has length 345 [2024-11-16 17:19:15,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:19:15,224 INFO L471 AbstractCegarLoop]: Abstraction has 5663 states and 8706 transitions. [2024-11-16 17:19:15,224 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, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-16 17:19:15,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5663 states and 8706 transitions. [2024-11-16 17:19:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-16 17:19:15,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:19:15,233 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:19:15,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 17:19:15,234 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:19:15,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:19:15,234 INFO L85 PathProgramCache]: Analyzing trace with hash 9589394, now seen corresponding path program 1 times [2024-11-16 17:19:15,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:19:15,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334798425] [2024-11-16 17:19:15,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:19:15,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:19:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:19:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:19:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:19:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:19:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:19:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:19:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:19:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:19:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:19:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 17:19:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 17:19:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 17:19:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 17:19:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:19:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:19:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 17:19:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:19:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:19:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:19:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:19:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:19:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:19:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:19:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 17:19:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:19:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:19:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 17:19:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 17:19:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 17:19:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 17:19:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 17:19:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 17:19:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 17:19:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 17:19:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 17:19:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 17:19:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 17:19:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 17:19:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 17:19:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-16 17:19:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 17:19:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 17:19:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 17:19:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 17:19:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-16 17:19:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-16 17:19:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-16 17:19:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 17:19:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 17:19:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 17:19:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-16 17:19:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:19:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-16 17:19:26,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:19:26,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334798425] [2024-11-16 17:19:26,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334798425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:19:26,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:19:26,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:19:26,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78313610] [2024-11-16 17:19:26,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:19:26,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:19:26,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:19:26,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:19:26,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:19:26,486 INFO L87 Difference]: Start difference. First operand 5663 states and 8706 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51)