./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-20.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-20.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 7baede3f4b218899c5fa728f3d2f15c45a27c02194fa196820f87130200e77ba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:18:33,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:18:33,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:18:33,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:18:33,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:18:33,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:18:33,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:18:33,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:18:33,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:18:33,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:18:33,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:18:33,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:18:33,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:18:33,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:18:33,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:18:33,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:18:33,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:18:33,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:18:33,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:18:33,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:18:33,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:18:33,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:18:33,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:18:33,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:18:33,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:18:33,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:18:33,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:18:33,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:18:33,666 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:18:33,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:18:33,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:18:33,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:18:33,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:18:33,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:18:33,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:18:33,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:18:33,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:18:33,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:18:33,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:18:33,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:18:33,669 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:18:33,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:18:33,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7baede3f4b218899c5fa728f3d2f15c45a27c02194fa196820f87130200e77ba [2024-11-16 17:18:33,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:18:33,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:18:33,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:18:33,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:18:33,994 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:18:33,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-20.i [2024-11-16 17:18:35,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:18:35,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:18:35,834 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-20.i [2024-11-16 17:18:35,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2ca9bed/2d57c98b15b14036aa0d027d638e1978/FLAGea619a48b [2024-11-16 17:18:35,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2ca9bed/2d57c98b15b14036aa0d027d638e1978 [2024-11-16 17:18:35,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:18:35,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:18:35,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:18:35,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:18:35,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:18:35,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:18:35" (1/1) ... [2024-11-16 17:18:35,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490f34d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:35, skipping insertion in model container [2024-11-16 17:18:35,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:18:35" (1/1) ... [2024-11-16 17:18:35,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:18:36,175 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-20.i[916,929] [2024-11-16 17:18:36,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:18:36,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:18:36,402 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-20.i[916,929] [2024-11-16 17:18:36,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:18:36,522 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:18:36,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36 WrapperNode [2024-11-16 17:18:36,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:18:36,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:18:36,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:18:36,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:18:36,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,640 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 445 [2024-11-16 17:18:36,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:18:36,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:18:36,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:18:36,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:18:36,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,734 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 17:18:36,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:18:36,808 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:18:36,808 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:18:36,809 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:18:36,810 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (1/1) ... [2024-11-16 17:18:36,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:18:36,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:18:36,850 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 17:18:36,854 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 17:18:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:18:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:18:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:18:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:18:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:18:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:18:37,052 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:18:37,090 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:18:37,917 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L369: havoc property_#t~bitwise38#1;havoc property_#t~short39#1;havoc property_#t~bitwise40#1;havoc property_#t~short41#1;havoc property_#t~short42#1;havoc property_#t~ite44#1;havoc property_#t~bitwise43#1;havoc property_#t~short45#1; [2024-11-16 17:18:38,054 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-16 17:18:38,056 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:18:38,093 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:18:38,094 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:18:38,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:18:38 BoogieIcfgContainer [2024-11-16 17:18:38,094 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:18:38,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:18:38,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:18:38,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:18:38,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:18:35" (1/3) ... [2024-11-16 17:18:38,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c90626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:18:38, skipping insertion in model container [2024-11-16 17:18:38,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:18:36" (2/3) ... [2024-11-16 17:18:38,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c90626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:18:38, skipping insertion in model container [2024-11-16 17:18:38,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:18:38" (3/3) ... [2024-11-16 17:18:38,107 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-20.i [2024-11-16 17:18:38,126 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:18:38,128 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:18:38,217 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:18:38,226 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;@79a048f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:18:38,227 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:18:38,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 141 states have (on average 1.4822695035460993) internal successors, (209), 142 states have internal predecessors, (209), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-16 17:18:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-16 17:18:38,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:38,264 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:38,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:38,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:38,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1805242852, now seen corresponding path program 1 times [2024-11-16 17:18:38,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:38,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702295550] [2024-11-16 17:18:38,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:38,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:39,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:39,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702295550] [2024-11-16 17:18:39,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702295550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:39,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:39,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:18:39,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319408349] [2024-11-16 17:18:39,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:39,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:18:39,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:39,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:18:39,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:18:39,287 INFO L87 Difference]: Start difference. First operand has 193 states, 141 states have (on average 1.4822695035460993) internal successors, (209), 142 states have internal predecessors, (209), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-16 17:18:39,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:39,346 INFO L93 Difference]: Finished difference Result 377 states and 654 transitions. [2024-11-16 17:18:39,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:18:39,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 331 [2024-11-16 17:18:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:39,363 INFO L225 Difference]: With dead ends: 377 [2024-11-16 17:18:39,363 INFO L226 Difference]: Without dead ends: 187 [2024-11-16 17:18:39,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 17:18:39,375 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:39,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 290 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:18:39,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-16 17:18:39,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-16 17:18:39,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 136 states have (on average 1.4558823529411764) internal successors, (198), 136 states have internal predecessors, (198), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-16 17:18:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 296 transitions. [2024-11-16 17:18:39,456 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 296 transitions. Word has length 331 [2024-11-16 17:18:39,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:39,456 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 296 transitions. [2024-11-16 17:18:39,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-16 17:18:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 296 transitions. [2024-11-16 17:18:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-16 17:18:39,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:39,466 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:39,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:18:39,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:39,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:39,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1534080213, now seen corresponding path program 1 times [2024-11-16 17:18:39,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:39,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47211593] [2024-11-16 17:18:39,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:39,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:39,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:39,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47211593] [2024-11-16 17:18:39,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47211593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:39,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:39,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:18:39,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231939482] [2024-11-16 17:18:39,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:39,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:18:39,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:39,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:18:39,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:39,983 INFO L87 Difference]: Start difference. First operand 187 states and 296 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:40,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:40,129 INFO L93 Difference]: Finished difference Result 475 states and 751 transitions. [2024-11-16 17:18:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:40,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 331 [2024-11-16 17:18:40,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:40,136 INFO L225 Difference]: With dead ends: 475 [2024-11-16 17:18:40,138 INFO L226 Difference]: Without dead ends: 291 [2024-11-16 17:18:40,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 17:18:40,140 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 162 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:40,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 603 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:40,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-16 17:18:40,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2024-11-16 17:18:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 233 states have (on average 1.502145922746781) internal successors, (350), 234 states have internal predecessors, (350), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-16 17:18:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 452 transitions. [2024-11-16 17:18:40,166 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 452 transitions. Word has length 331 [2024-11-16 17:18:40,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:40,168 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 452 transitions. [2024-11-16 17:18:40,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 452 transitions. [2024-11-16 17:18:40,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-16 17:18:40,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:40,173 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:40,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 17:18:40,174 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:40,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:40,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1293540084, now seen corresponding path program 1 times [2024-11-16 17:18:40,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:40,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43790499] [2024-11-16 17:18:40,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:40,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:40,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:40,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43790499] [2024-11-16 17:18:40,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43790499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:40,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:40,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:18:40,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955176867] [2024-11-16 17:18:40,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:40,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:18:40,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:40,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:18:40,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:40,554 INFO L87 Difference]: Start difference. First operand 287 states and 452 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:40,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:40,660 INFO L93 Difference]: Finished difference Result 724 states and 1143 transitions. [2024-11-16 17:18:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:40,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 331 [2024-11-16 17:18:40,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:40,669 INFO L225 Difference]: With dead ends: 724 [2024-11-16 17:18:40,670 INFO L226 Difference]: Without dead ends: 440 [2024-11-16 17:18:40,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 17:18:40,672 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 119 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:40,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 561 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:40,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-16 17:18:40,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 421. [2024-11-16 17:18:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 367 states have (on average 1.5258855585831064) internal successors, (560), 368 states have internal predecessors, (560), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-16 17:18:40,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 662 transitions. [2024-11-16 17:18:40,716 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 662 transitions. Word has length 331 [2024-11-16 17:18:40,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:40,717 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 662 transitions. [2024-11-16 17:18:40,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 662 transitions. [2024-11-16 17:18:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-16 17:18:40,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:40,724 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:40,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 17:18:40,725 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:40,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:40,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1648979565, now seen corresponding path program 1 times [2024-11-16 17:18:40,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:40,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146467569] [2024-11-16 17:18:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:40,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:40,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:41,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:41,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146467569] [2024-11-16 17:18:41,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146467569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:41,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:41,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:18:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71916186] [2024-11-16 17:18:41,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:41,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:18:41,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:41,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:18:41,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:41,085 INFO L87 Difference]: Start difference. First operand 421 states and 662 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:41,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:41,126 INFO L93 Difference]: Finished difference Result 843 states and 1329 transitions. [2024-11-16 17:18:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:41,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 331 [2024-11-16 17:18:41,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:41,134 INFO L225 Difference]: With dead ends: 843 [2024-11-16 17:18:41,134 INFO L226 Difference]: Without dead ends: 425 [2024-11-16 17:18:41,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 17:18:41,139 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:41,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 571 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:18:41,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-16 17:18:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-11-16 17:18:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 371 states have (on average 1.5202156334231807) internal successors, (564), 372 states have internal predecessors, (564), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-16 17:18:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 666 transitions. [2024-11-16 17:18:41,168 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 666 transitions. Word has length 331 [2024-11-16 17:18:41,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:41,169 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 666 transitions. [2024-11-16 17:18:41,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 666 transitions. [2024-11-16 17:18:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-16 17:18:41,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:41,175 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:41,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 17:18:41,176 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:41,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:41,176 INFO L85 PathProgramCache]: Analyzing trace with hash -920140152, now seen corresponding path program 1 times [2024-11-16 17:18:41,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:41,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813382219] [2024-11-16 17:18:41,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:41,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:41,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:41,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813382219] [2024-11-16 17:18:41,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813382219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:41,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:41,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:18:41,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945628649] [2024-11-16 17:18:41,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:41,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:18:41,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:41,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:18:41,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:41,536 INFO L87 Difference]: Start difference. First operand 425 states and 666 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:41,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:41,631 INFO L93 Difference]: Finished difference Result 855 states and 1335 transitions. [2024-11-16 17:18:41,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:41,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 333 [2024-11-16 17:18:41,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:41,635 INFO L225 Difference]: With dead ends: 855 [2024-11-16 17:18:41,637 INFO L226 Difference]: Without dead ends: 433 [2024-11-16 17:18:41,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 17:18:41,640 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 133 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:41,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 562 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:41,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-16 17:18:41,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 343. [2024-11-16 17:18:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 291 states have (on average 1.5085910652920962) internal successors, (439), 291 states have internal predecessors, (439), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-16 17:18:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 537 transitions. [2024-11-16 17:18:41,663 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 537 transitions. Word has length 333 [2024-11-16 17:18:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:41,665 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 537 transitions. [2024-11-16 17:18:41,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 537 transitions. [2024-11-16 17:18:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-16 17:18:41,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:41,671 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:41,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 17:18:41,672 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:41,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:41,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1502382057, now seen corresponding path program 1 times [2024-11-16 17:18:41,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:41,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110598694] [2024-11-16 17:18:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:41,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:41,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:42,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:42,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110598694] [2024-11-16 17:18:42,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110598694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:42,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:42,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:18:42,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133247020] [2024-11-16 17:18:42,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:42,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:18:42,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:42,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:18:42,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:18:42,077 INFO L87 Difference]: Start difference. First operand 343 states and 537 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:42,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:42,202 INFO L93 Difference]: Finished difference Result 692 states and 1080 transitions. [2024-11-16 17:18:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:18:42,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 333 [2024-11-16 17:18:42,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:42,205 INFO L225 Difference]: With dead ends: 692 [2024-11-16 17:18:42,206 INFO L226 Difference]: Without dead ends: 352 [2024-11-16 17:18:42,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:18:42,208 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 115 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:42,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 868 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:42,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-16 17:18:42,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 341. [2024-11-16 17:18:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 289 states have (on average 1.505190311418685) internal successors, (435), 289 states have internal predecessors, (435), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-16 17:18:42,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 533 transitions. [2024-11-16 17:18:42,243 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 533 transitions. Word has length 333 [2024-11-16 17:18:42,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:42,244 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 533 transitions. [2024-11-16 17:18:42,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 533 transitions. [2024-11-16 17:18:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-16 17:18:42,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:42,249 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:42,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 17:18:42,249 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:42,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:42,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1324575981, now seen corresponding path program 1 times [2024-11-16 17:18:42,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:42,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887831443] [2024-11-16 17:18:42,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:42,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:42,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:42,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887831443] [2024-11-16 17:18:42,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887831443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:42,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:42,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:18:42,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113574743] [2024-11-16 17:18:42,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:42,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:18:42,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:42,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:18:42,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:18:42,621 INFO L87 Difference]: Start difference. First operand 341 states and 533 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:42,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:42,697 INFO L93 Difference]: Finished difference Result 933 states and 1457 transitions. [2024-11-16 17:18:42,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:18:42,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 333 [2024-11-16 17:18:42,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:42,705 INFO L225 Difference]: With dead ends: 933 [2024-11-16 17:18:42,705 INFO L226 Difference]: Without dead ends: 595 [2024-11-16 17:18:42,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 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 17:18:42,709 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 174 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:42,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 558 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:18:42,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-16 17:18:42,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 592. [2024-11-16 17:18:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 489 states have (on average 1.4826175869120655) internal successors, (725), 489 states have internal predecessors, (725), 98 states have call successors, (98), 4 states have call predecessors, (98), 4 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-16 17:18:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 921 transitions. [2024-11-16 17:18:42,749 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 921 transitions. Word has length 333 [2024-11-16 17:18:42,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:42,749 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 921 transitions. [2024-11-16 17:18:42,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 921 transitions. [2024-11-16 17:18:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-16 17:18:42,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:42,754 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:42,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 17:18:42,755 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:42,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:42,755 INFO L85 PathProgramCache]: Analyzing trace with hash -833274866, now seen corresponding path program 1 times [2024-11-16 17:18:42,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:42,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648625904] [2024-11-16 17:18:42,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:42,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:43,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:43,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648625904] [2024-11-16 17:18:43,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648625904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:43,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:43,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:18:43,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135898582] [2024-11-16 17:18:43,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:43,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:18:43,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:43,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:18:43,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:18:43,292 INFO L87 Difference]: Start difference. First operand 592 states and 921 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:43,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:43,573 INFO L93 Difference]: Finished difference Result 1435 states and 2229 transitions. [2024-11-16 17:18:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:18:43,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 333 [2024-11-16 17:18:43,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:43,578 INFO L225 Difference]: With dead ends: 1435 [2024-11-16 17:18:43,578 INFO L226 Difference]: Without dead ends: 846 [2024-11-16 17:18:43,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:18:43,581 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 184 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:43,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 924 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 17:18:43,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-16 17:18:43,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 843. [2024-11-16 17:18:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 689 states have (on average 1.4702467343976777) internal successors, (1013), 689 states have internal predecessors, (1013), 147 states have call successors, (147), 6 states have call predecessors, (147), 6 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-16 17:18:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1307 transitions. [2024-11-16 17:18:43,641 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1307 transitions. Word has length 333 [2024-11-16 17:18:43,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:43,641 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1307 transitions. [2024-11-16 17:18:43,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1307 transitions. [2024-11-16 17:18:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-16 17:18:43,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:43,647 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:43,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 17:18:43,647 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:43,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:43,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1042361311, now seen corresponding path program 1 times [2024-11-16 17:18:43,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:43,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324117728] [2024-11-16 17:18:43,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:46,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:46,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324117728] [2024-11-16 17:18:46,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324117728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:46,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:46,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 17:18:46,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100974682] [2024-11-16 17:18:46,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:46,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 17:18:46,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:46,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 17:18:46,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 17:18:46,842 INFO L87 Difference]: Start difference. First operand 843 states and 1307 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:49,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:49,334 INFO L93 Difference]: Finished difference Result 2013 states and 3082 transitions. [2024-11-16 17:18:49,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 17:18:49,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 334 [2024-11-16 17:18:49,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:49,342 INFO L225 Difference]: With dead ends: 2013 [2024-11-16 17:18:49,343 INFO L226 Difference]: Without dead ends: 1424 [2024-11-16 17:18:49,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-16 17:18:49,345 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 774 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 2397 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:49,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 2397 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-16 17:18:49,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-16 17:18:49,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 983. [2024-11-16 17:18:49,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 823 states have (on average 1.4665856622114217) internal successors, (1207), 824 states have internal predecessors, (1207), 151 states have call successors, (151), 8 states have call predecessors, (151), 8 states have return successors, (151), 150 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-16 17:18:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1509 transitions. [2024-11-16 17:18:49,432 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1509 transitions. Word has length 334 [2024-11-16 17:18:49,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:49,433 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1509 transitions. [2024-11-16 17:18:49,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1509 transitions. [2024-11-16 17:18:49,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-16 17:18:49,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:49,438 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:49,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 17:18:49,439 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:49,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1123979802, now seen corresponding path program 1 times [2024-11-16 17:18:49,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:49,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623620712] [2024-11-16 17:18:49,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:49,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:50,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:50,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623620712] [2024-11-16 17:18:50,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623620712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:50,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:50,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:18:50,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120638809] [2024-11-16 17:18:50,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:50,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:18:50,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:50,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:18:50,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:18:50,827 INFO L87 Difference]: Start difference. First operand 983 states and 1509 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-16 17:18:51,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:51,300 INFO L93 Difference]: Finished difference Result 2543 states and 3889 transitions. [2024-11-16 17:18:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:18:51,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 334 [2024-11-16 17:18:51,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:51,309 INFO L225 Difference]: With dead ends: 2543 [2024-11-16 17:18:51,309 INFO L226 Difference]: Without dead ends: 1563 [2024-11-16 17:18:51,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:18:51,313 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 670 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:51,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 974 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 17:18:51,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2024-11-16 17:18:51,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1555. [2024-11-16 17:18:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1332 states have (on average 1.4662162162162162) internal successors, (1953), 1335 states have internal predecessors, (1953), 208 states have call successors, (208), 14 states have call predecessors, (208), 14 states have return successors, (208), 205 states have call predecessors, (208), 208 states have call successors, (208) [2024-11-16 17:18:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2369 transitions. [2024-11-16 17:18:51,392 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2369 transitions. Word has length 334 [2024-11-16 17:18:51,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:51,393 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2369 transitions. [2024-11-16 17:18:51,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-16 17:18:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2369 transitions. [2024-11-16 17:18:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-16 17:18:51,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:51,397 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:51,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 17:18:51,397 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:51,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:51,397 INFO L85 PathProgramCache]: Analyzing trace with hash 651091403, now seen corresponding path program 1 times [2024-11-16 17:18:51,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:51,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965405222] [2024-11-16 17:18:51,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:51,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:53,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:53,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965405222] [2024-11-16 17:18:53,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965405222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:53,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:53,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 17:18:53,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251216241] [2024-11-16 17:18:53,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:53,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 17:18:53,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:53,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 17:18:53,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 17:18:53,737 INFO L87 Difference]: Start difference. First operand 1555 states and 2369 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:55,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:18:55,724 INFO L93 Difference]: Finished difference Result 3646 states and 5505 transitions. [2024-11-16 17:18:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 17:18:55,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 335 [2024-11-16 17:18:55,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:18:55,741 INFO L225 Difference]: With dead ends: 3646 [2024-11-16 17:18:55,741 INFO L226 Difference]: Without dead ends: 2917 [2024-11-16 17:18:55,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-16 17:18:55,746 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 1138 mSDsluCounter, 1240 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 17:18:55,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 1682 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 17:18:55,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2024-11-16 17:18:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 1972. [2024-11-16 17:18:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1743 states have (on average 1.4905335628227194) internal successors, (2598), 1747 states have internal predecessors, (2598), 212 states have call successors, (212), 16 states have call predecessors, (212), 16 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-16 17:18:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 3022 transitions. [2024-11-16 17:18:55,877 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 3022 transitions. Word has length 335 [2024-11-16 17:18:55,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:18:55,877 INFO L471 AbstractCegarLoop]: Abstraction has 1972 states and 3022 transitions. [2024-11-16 17:18:55,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:18:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 3022 transitions. [2024-11-16 17:18:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-16 17:18:55,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:18:55,882 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:18:55,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 17:18:55,882 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:18:55,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:18:55,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1686618258, now seen corresponding path program 1 times [2024-11-16 17:18:55,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:18:55,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030075980] [2024-11-16 17:18:55,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:18:55,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:18:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:18:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:18:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:18:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:18:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:18:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:18:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:18:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:18:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:18:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:18:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:18:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:18:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:18:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 17:18:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 17:18:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 17:18:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 17:18:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 17:18:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:18:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 17:18:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:18:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 17:18:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:18:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:18:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 17:18:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 17:18:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 17:18:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 17:18:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 17:18:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 17:18:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:18:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:18:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 17:18:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 17:18:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 17:18:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:18:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:18:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 17:18:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:18:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 17:18:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:18:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 17:18:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:18:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-16 17:18:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:18:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 17:18:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-16 17:18:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-16 17:18:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-16 17:18:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:18:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-16 17:18:58,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:18:58,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030075980] [2024-11-16 17:18:58,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030075980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:18:58,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:18:58,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 17:18:58,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730146534] [2024-11-16 17:18:58,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:18:58,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 17:18:58,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:18:58,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 17:18:58,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:18:58,874 INFO L87 Difference]: Start difference. First operand 1972 states and 3022 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:19:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:19:00,072 INFO L93 Difference]: Finished difference Result 5255 states and 8013 transitions. [2024-11-16 17:19:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 17:19:00,073 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 335 [2024-11-16 17:19:00,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:19:00,088 INFO L225 Difference]: With dead ends: 5255 [2024-11-16 17:19:00,089 INFO L226 Difference]: Without dead ends: 3286 [2024-11-16 17:19:00,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-16 17:19:00,096 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 557 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 17:19:00,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1269 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 17:19:00,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3286 states. [2024-11-16 17:19:00,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3286 to 2704. [2024-11-16 17:19:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2392 states have (on average 1.4703177257525084) internal successors, (3517), 2400 states have internal predecessors, (3517), 285 states have call successors, (285), 26 states have call predecessors, (285), 26 states have return successors, (285), 277 states have call predecessors, (285), 285 states have call successors, (285) [2024-11-16 17:19:00,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 4087 transitions. [2024-11-16 17:19:00,298 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 4087 transitions. Word has length 335 [2024-11-16 17:19:00,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:19:00,299 INFO L471 AbstractCegarLoop]: Abstraction has 2704 states and 4087 transitions. [2024-11-16 17:19:00,299 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, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-16 17:19:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 4087 transitions. [2024-11-16 17:19:00,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-16 17:19:00,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:19:00,303 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:19:00,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 17:19:00,304 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:19:00,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:19:00,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1854603272, now seen corresponding path program 1 times [2024-11-16 17:19:00,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:19:00,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393453723] [2024-11-16 17:19:00,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:19:00,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:19:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat