./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_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_loopvsstraightlinecode_100-1loop_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 d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:57:06,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:57:06,951 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:57:06,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:57:06,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:57:06,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:57:06,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:57:06,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:57:06,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:57:07,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:57:07,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:57:07,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:57:07,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:57:07,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:57:07,003 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:57:07,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:57:07,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:57:07,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:57:07,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:57:07,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:57:07,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:57:07,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:57:07,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:57:07,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:57:07,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:57:07,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:57:07,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:57:07,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:57:07,011 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:57:07,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:57:07,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:57:07,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:57:07,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:57:07,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:57:07,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:57:07,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:57:07,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:57:07,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:57:07,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:57:07,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:57:07,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:57:07,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:57:07,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 [2024-11-16 15:57:07,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:57:07,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:57:07,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:57:07,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:57:07,299 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:57:07,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-16 15:57:08,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:57:09,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:57:09,036 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-16 15:57:09,051 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a52a9a8/1fcb148cfcfe4a96b0f07bcd73bf41e8/FLAG6dfb47c9e [2024-11-16 15:57:09,065 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a52a9a8/1fcb148cfcfe4a96b0f07bcd73bf41e8 [2024-11-16 15:57:09,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:57:09,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:57:09,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:57:09,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:57:09,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:57:09,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2abe36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09, skipping insertion in model container [2024-11-16 15:57:09,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:57:09,285 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_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-16 15:57:09,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:57:09,416 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:57:09,426 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_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-11-16 15:57:09,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:57:09,523 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:57:09,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09 WrapperNode [2024-11-16 15:57:09,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:57:09,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:57:09,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:57:09,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:57:09,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,599 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 265 [2024-11-16 15:57:09,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:57:09,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:57:09,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:57:09,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:57:09,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,648 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 15:57:09,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,669 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:57:09,708 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:57:09,708 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:57:09,708 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:57:09,709 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (1/1) ... [2024-11-16 15:57:09,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:57:09,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:57:09,750 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 15:57:09,753 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 15:57:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:57:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:57:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:57:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:57:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:57:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:57:09,913 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:57:09,916 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:57:10,437 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L199: havoc property_#t~bitwise23#1;havoc property_#t~short24#1;havoc property_#t~ite27#1;havoc property_#t~ite26#1;havoc property_#t~bitwise25#1;havoc property_#t~short28#1; [2024-11-16 15:57:10,490 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-16 15:57:10,490 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:57:10,515 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:57:10,517 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-16 15:57:10,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:57:10 BoogieIcfgContainer [2024-11-16 15:57:10,517 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:57:10,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:57:10,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:57:10,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:57:10,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:57:09" (1/3) ... [2024-11-16 15:57:10,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1377bb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:57:10, skipping insertion in model container [2024-11-16 15:57:10,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:09" (2/3) ... [2024-11-16 15:57:10,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1377bb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:57:10, skipping insertion in model container [2024-11-16 15:57:10,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:57:10" (3/3) ... [2024-11-16 15:57:10,528 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-11-16 15:57:10,546 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:57:10,548 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:57:10,612 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:57:10,620 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;@3b91e7c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:57:10,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:57:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 85 states have (on average 1.423529411764706) internal successors, (121), 86 states have internal predecessors, (121), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 15:57:10,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-16 15:57:10,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:10,645 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:10,647 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:10,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:10,653 INFO L85 PathProgramCache]: Analyzing trace with hash 849738133, now seen corresponding path program 1 times [2024-11-16 15:57:10,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:10,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221830538] [2024-11-16 15:57:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:10,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:11,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:11,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221830538] [2024-11-16 15:57:11,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221830538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:11,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:11,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:57:11,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320569071] [2024-11-16 15:57:11,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:11,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:57:11,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:11,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:57:11,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:57:11,318 INFO L87 Difference]: Start difference. First operand has 119 states, 85 states have (on average 1.423529411764706) internal successors, (121), 86 states have internal predecessors, (121), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-16 15:57:11,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:11,406 INFO L93 Difference]: Finished difference Result 234 states and 393 transitions. [2024-11-16 15:57:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:57:11,411 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 206 [2024-11-16 15:57:11,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:11,423 INFO L225 Difference]: With dead ends: 234 [2024-11-16 15:57:11,424 INFO L226 Difference]: Without dead ends: 114 [2024-11-16 15:57:11,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 15:57:11,434 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:11,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:57:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-16 15:57:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-16 15:57:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 81 states have internal predecessors, (113), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 15:57:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 175 transitions. [2024-11-16 15:57:11,487 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 175 transitions. Word has length 206 [2024-11-16 15:57:11,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:11,488 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 175 transitions. [2024-11-16 15:57:11,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-16 15:57:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 175 transitions. [2024-11-16 15:57:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-16 15:57:11,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:11,499 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:11,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:57:11,499 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:11,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:11,500 INFO L85 PathProgramCache]: Analyzing trace with hash -940684174, now seen corresponding path program 1 times [2024-11-16 15:57:11,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:11,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448886056] [2024-11-16 15:57:11,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:11,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:12,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:12,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448886056] [2024-11-16 15:57:12,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448886056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:12,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:12,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:57:12,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135009839] [2024-11-16 15:57:12,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:12,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:57:12,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:12,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:57:12,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:57:12,286 INFO L87 Difference]: Start difference. First operand 114 states and 175 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:12,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:12,712 INFO L93 Difference]: Finished difference Result 372 states and 573 transitions. [2024-11-16 15:57:12,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:57:12,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-16 15:57:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:12,720 INFO L225 Difference]: With dead ends: 372 [2024-11-16 15:57:12,720 INFO L226 Difference]: Without dead ends: 261 [2024-11-16 15:57:12,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 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 15:57:12,722 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 172 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:12,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 521 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:57:12,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-16 15:57:12,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 247. [2024-11-16 15:57:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 182 states have (on average 1.3956043956043955) internal successors, (254), 182 states have internal predecessors, (254), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 15:57:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 378 transitions. [2024-11-16 15:57:12,776 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 378 transitions. Word has length 206 [2024-11-16 15:57:12,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:12,779 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 378 transitions. [2024-11-16 15:57:12,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 378 transitions. [2024-11-16 15:57:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-16 15:57:12,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:12,785 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:12,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:57:12,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:12,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:12,787 INFO L85 PathProgramCache]: Analyzing trace with hash 680113710, now seen corresponding path program 1 times [2024-11-16 15:57:12,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:12,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269803566] [2024-11-16 15:57:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:12,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:13,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:13,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269803566] [2024-11-16 15:57:13,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269803566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:13,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:13,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:57:13,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28592807] [2024-11-16 15:57:13,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:13,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:57:13,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:13,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:57:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:57:13,458 INFO L87 Difference]: Start difference. First operand 247 states and 378 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:13,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:13,706 INFO L93 Difference]: Finished difference Result 718 states and 1099 transitions. [2024-11-16 15:57:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:57:13,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-16 15:57:13,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:13,711 INFO L225 Difference]: With dead ends: 718 [2024-11-16 15:57:13,712 INFO L226 Difference]: Without dead ends: 474 [2024-11-16 15:57:13,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 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 15:57:13,714 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 145 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:13,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 581 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:57:13,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-16 15:57:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 322. [2024-11-16 15:57:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 257 states have (on average 1.443579766536965) internal successors, (371), 257 states have internal predecessors, (371), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 15:57:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 495 transitions. [2024-11-16 15:57:13,762 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 495 transitions. Word has length 207 [2024-11-16 15:57:13,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:13,763 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 495 transitions. [2024-11-16 15:57:13,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2024-11-16 15:57:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 15:57:13,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:13,765 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:13,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:57:13,766 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:13,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:13,767 INFO L85 PathProgramCache]: Analyzing trace with hash -177394750, now seen corresponding path program 1 times [2024-11-16 15:57:13,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:13,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275279430] [2024-11-16 15:57:13,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:16,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:16,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275279430] [2024-11-16 15:57:16,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275279430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:16,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:16,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:57:16,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343296826] [2024-11-16 15:57:16,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:16,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:57:16,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:16,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:57:16,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:57:16,924 INFO L87 Difference]: Start difference. First operand 322 states and 495 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:18,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:18,303 INFO L93 Difference]: Finished difference Result 1045 states and 1593 transitions. [2024-11-16 15:57:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 15:57:18,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 15:57:18,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:18,309 INFO L225 Difference]: With dead ends: 1045 [2024-11-16 15:57:18,309 INFO L226 Difference]: Without dead ends: 726 [2024-11-16 15:57:18,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:57:18,312 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 303 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:18,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 596 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 15:57:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-16 15:57:18,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 438. [2024-11-16 15:57:18,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 373 states have (on average 1.479892761394102) internal successors, (552), 373 states have internal predecessors, (552), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 15:57:18,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 676 transitions. [2024-11-16 15:57:18,370 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 676 transitions. Word has length 208 [2024-11-16 15:57:18,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:18,371 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 676 transitions. [2024-11-16 15:57:18,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 676 transitions. [2024-11-16 15:57:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 15:57:18,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:18,376 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:18,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:57:18,376 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:18,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:18,377 INFO L85 PathProgramCache]: Analyzing trace with hash -687928927, now seen corresponding path program 1 times [2024-11-16 15:57:18,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:18,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960786339] [2024-11-16 15:57:18,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:18,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:21,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:21,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960786339] [2024-11-16 15:57:21,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960786339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:21,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:21,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:57:21,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487276449] [2024-11-16 15:57:21,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:21,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:57:21,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:21,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:57:21,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:57:21,928 INFO L87 Difference]: Start difference. First operand 438 states and 676 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:25,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:25,843 INFO L93 Difference]: Finished difference Result 1283 states and 1943 transitions. [2024-11-16 15:57:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 15:57:25,844 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 15:57:25,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:25,849 INFO L225 Difference]: With dead ends: 1283 [2024-11-16 15:57:25,849 INFO L226 Difference]: Without dead ends: 848 [2024-11-16 15:57:25,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2024-11-16 15:57:25,854 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 765 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:25,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 1025 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 15:57:25,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-16 15:57:25,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 546. [2024-11-16 15:57:25,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 449 states have (on average 1.4587973273942094) internal successors, (655), 449 states have internal predecessors, (655), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 15:57:25,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 841 transitions. [2024-11-16 15:57:25,908 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 841 transitions. Word has length 208 [2024-11-16 15:57:25,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:25,909 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 841 transitions. [2024-11-16 15:57:25,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 841 transitions. [2024-11-16 15:57:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 15:57:25,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:25,912 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:25,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:57:25,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:25,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:25,913 INFO L85 PathProgramCache]: Analyzing trace with hash -586218975, now seen corresponding path program 1 times [2024-11-16 15:57:25,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:25,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331599318] [2024-11-16 15:57:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:27,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:27,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331599318] [2024-11-16 15:57:27,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331599318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:27,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:27,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 15:57:27,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591332031] [2024-11-16 15:57:27,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:27,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 15:57:27,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:27,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 15:57:27,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 15:57:27,596 INFO L87 Difference]: Start difference. First operand 546 states and 841 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:28,743 INFO L93 Difference]: Finished difference Result 1345 states and 2026 transitions. [2024-11-16 15:57:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 15:57:28,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 15:57:28,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:28,749 INFO L225 Difference]: With dead ends: 1345 [2024-11-16 15:57:28,750 INFO L226 Difference]: Without dead ends: 910 [2024-11-16 15:57:28,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:57:28,753 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 438 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:28,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 792 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 15:57:28,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-11-16 15:57:28,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 541. [2024-11-16 15:57:28,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 444 states have (on average 1.4572072072072073) internal successors, (647), 444 states have internal predecessors, (647), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 15:57:28,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 833 transitions. [2024-11-16 15:57:28,800 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 833 transitions. Word has length 208 [2024-11-16 15:57:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:28,804 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 833 transitions. [2024-11-16 15:57:28,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 833 transitions. [2024-11-16 15:57:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 15:57:28,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:28,808 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:28,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:57:28,808 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:28,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1096753152, now seen corresponding path program 1 times [2024-11-16 15:57:28,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:28,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711356779] [2024-11-16 15:57:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:28,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:30,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:30,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711356779] [2024-11-16 15:57:30,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711356779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:30,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:30,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:57:30,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686173696] [2024-11-16 15:57:30,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:30,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:57:30,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:30,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:57:30,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:57:30,433 INFO L87 Difference]: Start difference. First operand 541 states and 833 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:32,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:32,125 INFO L93 Difference]: Finished difference Result 1169 states and 1756 transitions. [2024-11-16 15:57:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:57:32,126 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 15:57:32,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:32,130 INFO L225 Difference]: With dead ends: 1169 [2024-11-16 15:57:32,131 INFO L226 Difference]: Without dead ends: 739 [2024-11-16 15:57:32,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:57:32,133 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 349 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:32,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 767 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 15:57:32,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-16 15:57:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 506. [2024-11-16 15:57:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 409 states have (on average 1.4474327628361858) internal successors, (592), 409 states have internal predecessors, (592), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 15:57:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 778 transitions. [2024-11-16 15:57:32,166 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 778 transitions. Word has length 208 [2024-11-16 15:57:32,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:32,167 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 778 transitions. [2024-11-16 15:57:32,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 778 transitions. [2024-11-16 15:57:32,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 15:57:32,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:32,170 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:32,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 15:57:32,170 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:32,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:32,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1466776625, now seen corresponding path program 1 times [2024-11-16 15:57:32,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:32,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055026798] [2024-11-16 15:57:32,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:32,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:32,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:32,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055026798] [2024-11-16 15:57:32,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055026798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:32,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:32,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:57:32,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515777372] [2024-11-16 15:57:32,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:32,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:57:32,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:32,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:57:32,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:57:32,356 INFO L87 Difference]: Start difference. First operand 506 states and 778 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:32,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:32,468 INFO L93 Difference]: Finished difference Result 1228 states and 1892 transitions. [2024-11-16 15:57:32,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:57:32,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 15:57:32,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:32,474 INFO L225 Difference]: With dead ends: 1228 [2024-11-16 15:57:32,474 INFO L226 Difference]: Without dead ends: 810 [2024-11-16 15:57:32,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 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 15:57:32,477 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 149 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:32,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 449 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:57:32,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-16 15:57:32,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 660. [2024-11-16 15:57:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 563 states have (on average 1.4742451154529308) internal successors, (830), 563 states have internal predecessors, (830), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 15:57:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1016 transitions. [2024-11-16 15:57:32,519 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1016 transitions. Word has length 208 [2024-11-16 15:57:32,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:32,519 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 1016 transitions. [2024-11-16 15:57:32,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1016 transitions. [2024-11-16 15:57:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-16 15:57:32,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:32,523 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:32,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 15:57:32,524 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:32,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:32,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1399860788, now seen corresponding path program 1 times [2024-11-16 15:57:32,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:32,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191568207] [2024-11-16 15:57:32,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:32,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:32,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:32,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191568207] [2024-11-16 15:57:32,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191568207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:32,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:32,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:57:32,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109967653] [2024-11-16 15:57:32,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:32,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:57:32,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:32,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:57:32,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:57:32,790 INFO L87 Difference]: Start difference. First operand 660 states and 1016 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:33,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:33,271 INFO L93 Difference]: Finished difference Result 1519 states and 2344 transitions. [2024-11-16 15:57:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:57:33,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-16 15:57:33,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:33,278 INFO L225 Difference]: With dead ends: 1519 [2024-11-16 15:57:33,278 INFO L226 Difference]: Without dead ends: 970 [2024-11-16 15:57:33,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 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 15:57:33,283 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 154 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:33,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 656 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:57:33,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-11-16 15:57:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 701. [2024-11-16 15:57:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 604 states have (on average 1.468543046357616) internal successors, (887), 604 states have internal predecessors, (887), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 15:57:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1073 transitions. [2024-11-16 15:57:33,330 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1073 transitions. Word has length 209 [2024-11-16 15:57:33,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:33,331 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 1073 transitions. [2024-11-16 15:57:33,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1073 transitions. [2024-11-16 15:57:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-16 15:57:33,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:33,333 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:33,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 15:57:33,334 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:33,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:33,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1392487556, now seen corresponding path program 1 times [2024-11-16 15:57:33,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:33,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721003622] [2024-11-16 15:57:33,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:33,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-16 15:57:33,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:33,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721003622] [2024-11-16 15:57:33,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721003622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 15:57:33,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595695231] [2024-11-16 15:57:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:33,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:57:33,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:57:33,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 15:57:33,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 15:57:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:34,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 15:57:34,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:57:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-16 15:57:35,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 15:57:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-16 15:57:35,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595695231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 15:57:35,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 15:57:35,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 7] total 18 [2024-11-16 15:57:35,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567051171] [2024-11-16 15:57:35,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 15:57:35,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 15:57:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:35,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 15:57:35,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-16 15:57:35,665 INFO L87 Difference]: Start difference. First operand 701 states and 1073 transitions. Second operand has 18 states, 18 states have (on average 7.888888888888889) internal successors, (142), 17 states have internal predecessors, (142), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) [2024-11-16 15:57:37,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:37,968 INFO L93 Difference]: Finished difference Result 1801 states and 2655 transitions. [2024-11-16 15:57:37,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-16 15:57:37,969 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.888888888888889) internal successors, (142), 17 states have internal predecessors, (142), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) Word has length 210 [2024-11-16 15:57:37,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:37,975 INFO L225 Difference]: With dead ends: 1801 [2024-11-16 15:57:37,975 INFO L226 Difference]: Without dead ends: 1051 [2024-11-16 15:57:37,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=865, Invalid=2795, Unknown=0, NotChecked=0, Total=3660 [2024-11-16 15:57:37,979 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 1538 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:37,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 1083 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 15:57:37,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-16 15:57:38,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 856. [2024-11-16 15:57:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 713 states have (on average 1.394109396914446) internal successors, (994), 717 states have internal predecessors, (994), 121 states have call successors, (121), 21 states have call predecessors, (121), 21 states have return successors, (121), 117 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-16 15:57:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1236 transitions. [2024-11-16 15:57:38,048 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1236 transitions. Word has length 210 [2024-11-16 15:57:38,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:38,049 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1236 transitions. [2024-11-16 15:57:38,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.888888888888889) internal successors, (142), 17 states have internal predecessors, (142), 5 states have call successors, (77), 3 states have call predecessors, (77), 5 states have return successors, (79), 5 states have call predecessors, (79), 5 states have call successors, (79) [2024-11-16 15:57:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1236 transitions. [2024-11-16 15:57:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-16 15:57:38,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:38,051 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:38,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 15:57:38,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-16 15:57:38,252 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:38,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:38,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1853670304, now seen corresponding path program 1 times [2024-11-16 15:57:38,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:38,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590950450] [2024-11-16 15:57:38,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:38,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:40,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:40,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590950450] [2024-11-16 15:57:40,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590950450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:40,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:40,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 15:57:40,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649975367] [2024-11-16 15:57:40,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:40,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 15:57:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:40,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 15:57:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:57:40,108 INFO L87 Difference]: Start difference. First operand 856 states and 1236 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:42,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:42,380 INFO L93 Difference]: Finished difference Result 1935 states and 2770 transitions. [2024-11-16 15:57:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 15:57:42,381 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-16 15:57:42,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:42,391 INFO L225 Difference]: With dead ends: 1935 [2024-11-16 15:57:42,391 INFO L226 Difference]: Without dead ends: 1474 [2024-11-16 15:57:42,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-16 15:57:42,394 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 561 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:42,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1318 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 15:57:42,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-11-16 15:57:42,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 876. [2024-11-16 15:57:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 732 states have (on average 1.3934426229508197) internal successors, (1020), 736 states have internal predecessors, (1020), 121 states have call successors, (121), 22 states have call predecessors, (121), 22 states have return successors, (121), 117 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-16 15:57:42,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1262 transitions. [2024-11-16 15:57:42,493 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1262 transitions. Word has length 210 [2024-11-16 15:57:42,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:42,493 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1262 transitions. [2024-11-16 15:57:42,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1262 transitions. [2024-11-16 15:57:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-16 15:57:42,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:42,497 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:42,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 15:57:42,498 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:42,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:42,498 INFO L85 PathProgramCache]: Analyzing trace with hash -346118495, now seen corresponding path program 1 times [2024-11-16 15:57:42,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:42,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872117280] [2024-11-16 15:57:42,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:42,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:43,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:43,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:43,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:44,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:44,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872117280] [2024-11-16 15:57:44,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872117280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:44,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:44,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:57:44,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277349518] [2024-11-16 15:57:44,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:44,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:57:44,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:44,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:57:44,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:57:44,058 INFO L87 Difference]: Start difference. First operand 876 states and 1262 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:44,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:44,839 INFO L93 Difference]: Finished difference Result 2143 states and 3093 transitions. [2024-11-16 15:57:44,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:57:44,840 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-16 15:57:44,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:44,847 INFO L225 Difference]: With dead ends: 2143 [2024-11-16 15:57:44,847 INFO L226 Difference]: Without dead ends: 1381 [2024-11-16 15:57:44,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:57:44,849 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 283 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:44,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 543 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 15:57:44,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-11-16 15:57:44,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 958. [2024-11-16 15:57:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 814 states have (on average 1.4090909090909092) internal successors, (1147), 818 states have internal predecessors, (1147), 121 states have call successors, (121), 22 states have call predecessors, (121), 22 states have return successors, (121), 117 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-16 15:57:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1389 transitions. [2024-11-16 15:57:44,940 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1389 transitions. Word has length 210 [2024-11-16 15:57:44,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:44,941 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1389 transitions. [2024-11-16 15:57:44,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1389 transitions. [2024-11-16 15:57:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-16 15:57:44,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:44,944 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:44,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 15:57:44,944 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:44,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:44,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1055929993, now seen corresponding path program 1 times [2024-11-16 15:57:44,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:44,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116795582] [2024-11-16 15:57:44,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:44,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:48,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:48,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116795582] [2024-11-16 15:57:48,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116795582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:48,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:48,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:57:48,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734452097] [2024-11-16 15:57:48,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:48,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:57:48,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:48,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:57:48,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:57:48,124 INFO L87 Difference]: Start difference. First operand 958 states and 1389 transitions. Second operand has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:50,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:57:50,818 INFO L93 Difference]: Finished difference Result 2139 states and 3069 transitions. [2024-11-16 15:57:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 15:57:50,819 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 211 [2024-11-16 15:57:50,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:57:50,824 INFO L225 Difference]: With dead ends: 2139 [2024-11-16 15:57:50,824 INFO L226 Difference]: Without dead ends: 1283 [2024-11-16 15:57:50,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2024-11-16 15:57:50,828 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 662 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 15:57:50,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 993 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 15:57:50,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2024-11-16 15:57:50,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 982. [2024-11-16 15:57:50,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 838 states have (on average 1.4140811455847255) internal successors, (1185), 842 states have internal predecessors, (1185), 121 states have call successors, (121), 22 states have call predecessors, (121), 22 states have return successors, (121), 117 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-16 15:57:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1427 transitions. [2024-11-16 15:57:50,891 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1427 transitions. Word has length 211 [2024-11-16 15:57:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:57:50,891 INFO L471 AbstractCegarLoop]: Abstraction has 982 states and 1427 transitions. [2024-11-16 15:57:50,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:57:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1427 transitions. [2024-11-16 15:57:50,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-16 15:57:50,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:57:50,893 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:50,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 15:57:50,893 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:57:50,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:57:50,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1185012712, now seen corresponding path program 1 times [2024-11-16 15:57:50,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:57:50,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218910437] [2024-11-16 15:57:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:57:50,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:57:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:57:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:57:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:57:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:57:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:57:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:57:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:57:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:57:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:57:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:57:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:57:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:57:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:57:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:57:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:57:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:57:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:57:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:57:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:57:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:57:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:57:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:57:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:57:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:57:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:57:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:57:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:57:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:57:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:57:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:57:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:57:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:57:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:57:54,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:57:54,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218910437] [2024-11-16 15:57:54,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218910437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:57:54,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:57:54,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 15:57:54,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106725473] [2024-11-16 15:57:54,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:57:54,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 15:57:54,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:57:54,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 15:57:54,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:57:54,705 INFO L87 Difference]: Start difference. First operand 982 states and 1427 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:58:00,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:00,208 INFO L93 Difference]: Finished difference Result 2330 states and 3355 transitions. [2024-11-16 15:58:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 15:58:00,209 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 211 [2024-11-16 15:58:00,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:00,216 INFO L225 Difference]: With dead ends: 2330 [2024-11-16 15:58:00,217 INFO L226 Difference]: Without dead ends: 1442 [2024-11-16 15:58:00,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-16 15:58:00,220 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 707 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 15:58:00,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 1158 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 15:58:00,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2024-11-16 15:58:00,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1014. [2024-11-16 15:58:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 870 states have (on average 1.410344827586207) internal successors, (1227), 874 states have internal predecessors, (1227), 121 states have call successors, (121), 22 states have call predecessors, (121), 22 states have return successors, (121), 117 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-16 15:58:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1469 transitions. [2024-11-16 15:58:00,321 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1469 transitions. Word has length 211 [2024-11-16 15:58:00,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:00,321 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1469 transitions. [2024-11-16 15:58:00,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:58:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1469 transitions. [2024-11-16 15:58:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-16 15:58:00,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:00,323 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:00,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 15:58:00,324 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:00,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:00,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1885727606, now seen corresponding path program 1 times [2024-11-16 15:58:00,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:00,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858479333] [2024-11-16 15:58:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:00,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:58:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:58:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:58:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:58:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:58:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:58:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:58:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:58:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:58:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:58:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:58:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:58:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:58:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:58:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:58:05,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:05,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858479333] [2024-11-16 15:58:05,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858479333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:05,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:05,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 15:58:05,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742137888] [2024-11-16 15:58:05,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:05,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 15:58:05,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:05,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 15:58:05,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:58:05,379 INFO L87 Difference]: Start difference. First operand 1014 states and 1469 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:58:11,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:11,279 INFO L93 Difference]: Finished difference Result 2406 states and 3451 transitions. [2024-11-16 15:58:11,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 15:58:11,280 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 211 [2024-11-16 15:58:11,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:11,287 INFO L225 Difference]: With dead ends: 2406 [2024-11-16 15:58:11,287 INFO L226 Difference]: Without dead ends: 1494 [2024-11-16 15:58:11,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2024-11-16 15:58:11,291 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 791 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 15:58:11,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 1465 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 15:58:11,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2024-11-16 15:58:11,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1018. [2024-11-16 15:58:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 874 states have (on average 1.4107551487414187) internal successors, (1233), 878 states have internal predecessors, (1233), 121 states have call successors, (121), 22 states have call predecessors, (121), 22 states have return successors, (121), 117 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-16 15:58:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1475 transitions. [2024-11-16 15:58:11,382 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1475 transitions. Word has length 211 [2024-11-16 15:58:11,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:11,383 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1475 transitions. [2024-11-16 15:58:11,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 15:58:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1475 transitions. [2024-11-16 15:58:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-16 15:58:11,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:11,385 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:11,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 15:58:11,385 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:11,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:11,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1756644887, now seen corresponding path program 1 times [2024-11-16 15:58:11,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:11,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558851557] [2024-11-16 15:58:11,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:58:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 15:58:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 15:58:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 15:58:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 15:58:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 15:58:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 15:58:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:58:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:58:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:58:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 15:58:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 15:58:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 15:58:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 15:58:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 15:58:14,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:14,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558851557] [2024-11-16 15:58:14,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558851557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:14,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:14,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 15:58:14,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927916807] [2024-11-16 15:58:14,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:14,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 15:58:14,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:14,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 15:58:14,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-16 15:58:14,554 INFO L87 Difference]: Start difference. First operand 1018 states and 1475 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)