./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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-while_file-68.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 a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:17:21,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:17:21,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:17:21,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:17:21,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:17:22,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:17:22,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:17:22,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:17:22,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:17:22,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:17:22,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:17:22,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:17:22,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:17:22,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:17:22,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:17:22,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:17:22,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:17:22,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:17:22,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:17:22,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:17:22,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:17:22,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:17:22,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:17:22,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:17:22,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:17:22,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:17:22,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:17:22,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:17:22,011 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:17:22,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:17:22,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:17:22,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:17:22,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:17:22,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:17:22,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:17:22,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:17:22,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:17:22,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:17:22,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:17:22,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:17:22,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:17:22,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:17:22,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 [2024-11-10 07:17:22,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:17:22,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:17:22,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:17:22,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:17:22,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:17:22,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-10 07:17:23,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:17:24,073 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:17:24,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-10 07:17:24,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/889eb9807/6d01678ce0c445c48fb5f1ce15393e4d/FLAG0c8880ad5 [2024-11-10 07:17:24,103 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/889eb9807/6d01678ce0c445c48fb5f1ce15393e4d [2024-11-10 07:17:24,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:17:24,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:17:24,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:17:24,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:17:24,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:17:24,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef746cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24, skipping insertion in model container [2024-11-10 07:17:24,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:17:24,374 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-while_file-68.i[916,929] [2024-11-10 07:17:24,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:17:24,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:17:24,530 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-while_file-68.i[916,929] [2024-11-10 07:17:24,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:17:24,613 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:17:24,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24 WrapperNode [2024-11-10 07:17:24,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:17:24,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:17:24,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:17:24,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:17:24,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,692 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 389 [2024-11-10 07:17:24,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:17:24,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:17:24,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:17:24,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:17:24,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,745 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]. [2024-11-10 07:17:24,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,767 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:17:24,799 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:17:24,799 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:17:24,800 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:17:24,801 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (1/1) ... [2024-11-10 07:17:24,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:17:24,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:17:24,842 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) [2024-11-10 07:17:24,846 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 [2024-11-10 07:17:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:17:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:17:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:17:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:17:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:17:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:17:25,005 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:17:25,007 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:17:25,714 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: havoc property_#t~bitwise33#1;havoc property_#t~short34#1;havoc property_#t~bitwise35#1;havoc property_#t~bitwise36#1;havoc property_#t~short37#1;havoc property_#t~bitwise38#1;havoc property_#t~short39#1;havoc property_#t~bitwise40#1;havoc property_#t~short41#1;havoc property_#t~bitwise42#1;havoc property_#t~bitwise43#1;havoc property_#t~short44#1; [2024-11-10 07:17:25,799 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-10 07:17:25,800 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:17:25,842 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:17:25,842 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:17:25,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:17:25 BoogieIcfgContainer [2024-11-10 07:17:25,843 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:17:25,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:17:25,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:17:25,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:17:25,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:17:24" (1/3) ... [2024-11-10 07:17:25,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569e30aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:17:25, skipping insertion in model container [2024-11-10 07:17:25,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:17:24" (2/3) ... [2024-11-10 07:17:25,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569e30aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:17:25, skipping insertion in model container [2024-11-10 07:17:25,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:17:25" (3/3) ... [2024-11-10 07:17:25,851 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-10 07:17:25,870 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:17:25,871 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:17:25,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:17:25,956 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;@69cb0e0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:17:25,957 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:17:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 124 states have internal predecessors, (178), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 07:17:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 07:17:25,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:25,995 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:25,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:26,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:26,005 INFO L85 PathProgramCache]: Analyzing trace with hash -46803731, now seen corresponding path program 1 times [2024-11-10 07:17:26,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:26,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048496579] [2024-11-10 07:17:26,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:26,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:26,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:17:26,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:26,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048496579] [2024-11-10 07:17:26,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048496579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:17:26,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:17:26,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:17:26,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496928602] [2024-11-10 07:17:26,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:17:26,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:17:26,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:17:26,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:17:26,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:17:26,813 INFO L87 Difference]: Start difference. First operand has 166 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 124 states have internal predecessors, (178), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 07:17:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:17:26,890 INFO L93 Difference]: Finished difference Result 324 states and 549 transitions. [2024-11-10 07:17:26,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:17:26,894 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 271 [2024-11-10 07:17:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:17:26,904 INFO L225 Difference]: With dead ends: 324 [2024-11-10 07:17:26,904 INFO L226 Difference]: Without dead ends: 161 [2024-11-10 07:17:26,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:17:26,916 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:17:26,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:17:26,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-10 07:17:26,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-10 07:17:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.4285714285714286) internal successors, (170), 119 states have internal predecessors, (170), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 07:17:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2024-11-10 07:17:26,982 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 271 [2024-11-10 07:17:26,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:17:26,984 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2024-11-10 07:17:26,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-10 07:17:26,986 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2024-11-10 07:17:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 07:17:26,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:26,993 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:26,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:17:26,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:26,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:26,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1068296945, now seen corresponding path program 1 times [2024-11-10 07:17:26,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:26,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059464853] [2024-11-10 07:17:26,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:26,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:17:27,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:27,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059464853] [2024-11-10 07:17:27,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059464853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:17:27,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:17:27,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 07:17:27,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120207930] [2024-11-10 07:17:27,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:17:27,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 07:17:27,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:17:27,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 07:17:27,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:17:27,554 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:17:27,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:17:27,649 INFO L93 Difference]: Finished difference Result 319 states and 497 transitions. [2024-11-10 07:17:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 07:17:27,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-10 07:17:27,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:17:27,653 INFO L225 Difference]: With dead ends: 319 [2024-11-10 07:17:27,653 INFO L226 Difference]: Without dead ends: 161 [2024-11-10 07:17:27,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 07:17:27,659 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 0 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:17:27,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 465 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:17:27,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-10 07:17:27,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-10 07:17:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.4201680672268908) internal successors, (169), 119 states have internal predecessors, (169), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 07:17:27,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 249 transitions. [2024-11-10 07:17:27,684 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 249 transitions. Word has length 271 [2024-11-10 07:17:27,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:17:27,686 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 249 transitions. [2024-11-10 07:17:27,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:17:27,687 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 249 transitions. [2024-11-10 07:17:27,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 07:17:27,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:27,695 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:27,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:17:27,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:27,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:27,696 INFO L85 PathProgramCache]: Analyzing trace with hash -738531184, now seen corresponding path program 1 times [2024-11-10 07:17:27,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:27,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581304557] [2024-11-10 07:17:27,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:27,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:28,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:17:28,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:28,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581304557] [2024-11-10 07:17:28,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581304557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:17:28,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:17:28,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 07:17:28,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187897018] [2024-11-10 07:17:28,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:17:28,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 07:17:28,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:17:28,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 07:17:28,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:17:28,742 INFO L87 Difference]: Start difference. First operand 161 states and 249 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:17:29,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:17:29,288 INFO L93 Difference]: Finished difference Result 394 states and 606 transitions. [2024-11-10 07:17:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:17:29,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-10 07:17:29,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:17:29,292 INFO L225 Difference]: With dead ends: 394 [2024-11-10 07:17:29,292 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 07:17:29,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:17:29,294 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 442 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:17:29,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 523 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:17:29,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 07:17:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 232. [2024-11-10 07:17:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 186 states have (on average 1.4193548387096775) internal successors, (264), 187 states have internal predecessors, (264), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 07:17:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 350 transitions. [2024-11-10 07:17:29,315 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 350 transitions. Word has length 271 [2024-11-10 07:17:29,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:17:29,316 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 350 transitions. [2024-11-10 07:17:29,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:17:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 350 transitions. [2024-11-10 07:17:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 07:17:29,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:29,320 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:29,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:17:29,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:29,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:29,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1735603537, now seen corresponding path program 1 times [2024-11-10 07:17:29,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:29,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304269819] [2024-11-10 07:17:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:29,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:29,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304269819] [2024-11-10 07:17:29,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304269819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:17:29,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456319462] [2024-11-10 07:17:29,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:29,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:29,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:17:29,928 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) [2024-11-10 07:17:29,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 07:17:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:30,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 07:17:30,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:17:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-11-10 07:17:31,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:17:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-10 07:17:31,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456319462] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:17:31,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:17:31,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-11-10 07:17:31,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364812860] [2024-11-10 07:17:31,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:17:31,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 07:17:31,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:17:31,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 07:17:31,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:17:31,761 INFO L87 Difference]: Start difference. First operand 232 states and 350 transitions. Second operand has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 15 states have internal predecessors, (142), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-11-10 07:17:32,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:17:32,591 INFO L93 Difference]: Finished difference Result 404 states and 607 transitions. [2024-11-10 07:17:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 07:17:32,592 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 15 states have internal predecessors, (142), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) Word has length 271 [2024-11-10 07:17:32,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:17:32,594 INFO L225 Difference]: With dead ends: 404 [2024-11-10 07:17:32,595 INFO L226 Difference]: Without dead ends: 175 [2024-11-10 07:17:32,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2024-11-10 07:17:32,597 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 543 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:17:32,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 574 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 07:17:32,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-10 07:17:32,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2024-11-10 07:17:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 128 states have (on average 1.3125) internal successors, (168), 128 states have internal predecessors, (168), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 07:17:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 248 transitions. [2024-11-10 07:17:32,619 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 248 transitions. Word has length 271 [2024-11-10 07:17:32,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:17:32,619 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 248 transitions. [2024-11-10 07:17:32,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.466666666666667) internal successors, (142), 15 states have internal predecessors, (142), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-11-10 07:17:32,620 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 248 transitions. [2024-11-10 07:17:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-10 07:17:32,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:32,626 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:32,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 07:17:32,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:32,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:32,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:32,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1089422659, now seen corresponding path program 1 times [2024-11-10 07:17:32,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:32,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255853946] [2024-11-10 07:17:32,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:32,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:33,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:33,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255853946] [2024-11-10 07:17:33,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255853946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:17:33,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83595627] [2024-11-10 07:17:33,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:33,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:33,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:17:33,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:17:33,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 07:17:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:33,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 07:17:33,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:17:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-11-10 07:17:34,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:17:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:34,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83595627] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:17:34,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:17:34,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-10 07:17:34,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949709117] [2024-11-10 07:17:34,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:17:34,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:17:34,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:17:34,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:17:34,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:17:34,340 INFO L87 Difference]: Start difference. First operand 173 states and 248 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2024-11-10 07:17:35,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:17:35,067 INFO L93 Difference]: Finished difference Result 358 states and 508 transitions. [2024-11-10 07:17:35,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 07:17:35,068 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 273 [2024-11-10 07:17:35,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:17:35,071 INFO L225 Difference]: With dead ends: 358 [2024-11-10 07:17:35,071 INFO L226 Difference]: Without dead ends: 188 [2024-11-10 07:17:35,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 620 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2024-11-10 07:17:35,073 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 434 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 07:17:35,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 648 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 07:17:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-10 07:17:35,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2024-11-10 07:17:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 135 states have (on average 1.2962962962962963) internal successors, (175), 135 states have internal predecessors, (175), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 07:17:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 255 transitions. [2024-11-10 07:17:35,107 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 255 transitions. Word has length 273 [2024-11-10 07:17:35,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:17:35,109 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 255 transitions. [2024-11-10 07:17:35,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2024-11-10 07:17:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 255 transitions. [2024-11-10 07:17:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-10 07:17:35,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:35,115 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:35,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 07:17:35,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:35,316 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:35,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:35,316 INFO L85 PathProgramCache]: Analyzing trace with hash -516227024, now seen corresponding path program 1 times [2024-11-10 07:17:35,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:35,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309151687] [2024-11-10 07:17:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:36,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:36,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309151687] [2024-11-10 07:17:36,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309151687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:17:36,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520673641] [2024-11-10 07:17:36,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:36,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:17:36,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:17:36,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 07:17:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:36,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 07:17:36,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:17:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1190 proven. 48 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2024-11-10 07:17:36,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:17:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:37,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520673641] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:17:37,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:17:37,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 7] total 15 [2024-11-10 07:17:37,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387835079] [2024-11-10 07:17:37,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:17:37,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 07:17:37,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:17:37,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 07:17:37,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:17:37,223 INFO L87 Difference]: Start difference. First operand 182 states and 255 transitions. Second operand has 15 states, 15 states have (on average 10.0) internal successors, (150), 15 states have internal predecessors, (150), 4 states have call successors, (78), 3 states have call predecessors, (78), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2024-11-10 07:17:39,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:17:39,816 INFO L93 Difference]: Finished difference Result 993 states and 1345 transitions. [2024-11-10 07:17:39,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-10 07:17:39,817 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.0) internal successors, (150), 15 states have internal predecessors, (150), 4 states have call successors, (78), 3 states have call predecessors, (78), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) Word has length 274 [2024-11-10 07:17:39,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:17:39,822 INFO L225 Difference]: With dead ends: 993 [2024-11-10 07:17:39,822 INFO L226 Difference]: Without dead ends: 814 [2024-11-10 07:17:39,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 625 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1624 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1019, Invalid=3537, Unknown=0, NotChecked=0, Total=4556 [2024-11-10 07:17:39,825 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 1035 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:17:39,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 1753 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 07:17:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-10 07:17:39,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 275. [2024-11-10 07:17:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 214 states have (on average 1.2850467289719627) internal successors, (275), 215 states have internal predecessors, (275), 49 states have call successors, (49), 11 states have call predecessors, (49), 11 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-10 07:17:39,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 373 transitions. [2024-11-10 07:17:39,872 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 373 transitions. Word has length 274 [2024-11-10 07:17:39,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:17:39,874 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 373 transitions. [2024-11-10 07:17:39,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.0) internal successors, (150), 15 states have internal predecessors, (150), 4 states have call successors, (78), 3 states have call predecessors, (78), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2024-11-10 07:17:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 373 transitions. [2024-11-10 07:17:39,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-10 07:17:39,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:39,881 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:39,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 07:17:40,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:40,085 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:40,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:40,086 INFO L85 PathProgramCache]: Analyzing trace with hash 249436678, now seen corresponding path program 1 times [2024-11-10 07:17:40,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:40,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704395086] [2024-11-10 07:17:40,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:40,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 99 proven. 18 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:41,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704395086] [2024-11-10 07:17:41,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704395086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:17:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618430664] [2024-11-10 07:17:41,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:41,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:41,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:17:41,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:17:41,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 07:17:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:41,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 07:17:41,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:17:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1597 proven. 60 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2024-11-10 07:17:43,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:17:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 57 proven. 60 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:47,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618430664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:17:47,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:17:47,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 7] total 19 [2024-11-10 07:17:47,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382639155] [2024-11-10 07:17:47,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:17:47,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 07:17:47,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:17:47,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 07:17:47,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-11-10 07:17:47,157 INFO L87 Difference]: Start difference. First operand 275 states and 373 transitions. Second operand has 19 states, 19 states have (on average 9.0) internal successors, (171), 19 states have internal predecessors, (171), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-10 07:17:52,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:17:52,350 INFO L93 Difference]: Finished difference Result 1650 states and 2229 transitions. [2024-11-10 07:17:52,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-10 07:17:52,351 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.0) internal successors, (171), 19 states have internal predecessors, (171), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) Word has length 275 [2024-11-10 07:17:52,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:17:52,360 INFO L225 Difference]: With dead ends: 1650 [2024-11-10 07:17:52,361 INFO L226 Difference]: Without dead ends: 1378 [2024-11-10 07:17:52,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 632 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=510, Invalid=2246, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 07:17:52,365 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 1947 mSDsluCounter, 3465 mSDsCounter, 0 mSdLazyCounter, 3846 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 3948 SdHoareTripleChecker+Invalid, 4348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 3846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:17:52,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 3948 Invalid, 4348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [502 Valid, 3846 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-10 07:17:52,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-11-10 07:17:52,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 651. [2024-11-10 07:17:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 504 states have (on average 1.2757936507936507) internal successors, (643), 507 states have internal predecessors, (643), 115 states have call successors, (115), 31 states have call predecessors, (115), 31 states have return successors, (115), 112 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-10 07:17:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 873 transitions. [2024-11-10 07:17:52,509 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 873 transitions. Word has length 275 [2024-11-10 07:17:52,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:17:52,509 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 873 transitions. [2024-11-10 07:17:52,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.0) internal successors, (171), 19 states have internal predecessors, (171), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-10 07:17:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 873 transitions. [2024-11-10 07:17:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-10 07:17:52,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:52,514 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:52,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 07:17:52,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:52,719 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:52,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:52,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1879615907, now seen corresponding path program 1 times [2024-11-10 07:17:52,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:52,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653198696] [2024-11-10 07:17:52,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:52,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:53,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:53,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653198696] [2024-11-10 07:17:53,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653198696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:17:53,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096020357] [2024-11-10 07:17:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:53,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:53,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:17:53,404 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:17:53,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 07:17:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:53,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 07:17:53,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:17:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1351 proven. 177 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2024-11-10 07:17:54,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:17:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:17:54,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096020357] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:17:54,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:17:54,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-11-10 07:17:54,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204719783] [2024-11-10 07:17:54,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:17:54,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 07:17:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:17:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 07:17:54,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:17:54,839 INFO L87 Difference]: Start difference. First operand 651 states and 873 transitions. Second operand has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-10 07:17:55,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:17:55,283 INFO L93 Difference]: Finished difference Result 1207 states and 1623 transitions. [2024-11-10 07:17:55,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:17:55,285 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) Word has length 275 [2024-11-10 07:17:55,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:17:55,289 INFO L225 Difference]: With dead ends: 1207 [2024-11-10 07:17:55,290 INFO L226 Difference]: Without dead ends: 673 [2024-11-10 07:17:55,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-10 07:17:55,292 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 514 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:17:55,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 521 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:17:55,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-11-10 07:17:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 651. [2024-11-10 07:17:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 504 states have (on average 1.2718253968253967) internal successors, (641), 507 states have internal predecessors, (641), 115 states have call successors, (115), 31 states have call predecessors, (115), 31 states have return successors, (115), 112 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-10 07:17:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 871 transitions. [2024-11-10 07:17:55,411 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 871 transitions. Word has length 275 [2024-11-10 07:17:55,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:17:55,412 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 871 transitions. [2024-11-10 07:17:55,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-10 07:17:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 871 transitions. [2024-11-10 07:17:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-10 07:17:55,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:17:55,416 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:17:55,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 07:17:55,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:55,617 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:17:55,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:17:55,618 INFO L85 PathProgramCache]: Analyzing trace with hash -465051134, now seen corresponding path program 1 times [2024-11-10 07:17:55,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:17:55,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036441321] [2024-11-10 07:17:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:55,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:17:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:17:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:17:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:17:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:17:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:17:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:17:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:17:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:17:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:17:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:17:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:17:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:17:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:17:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:17:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:17:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:17:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:17:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:17:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:17:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:17:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:17:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:17:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:17:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:17:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:17:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:17:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:17:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:17:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:17:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:17:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:17:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:17:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:17:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:17:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:17:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:17:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:17:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:17:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:17:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:17:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:17:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 99 proven. 129 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-10 07:17:59,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:17:59,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036441321] [2024-11-10 07:17:59,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036441321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:17:59,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424336605] [2024-11-10 07:17:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:17:59,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:17:59,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:17:59,866 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:17:59,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 07:18:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:00,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 07:18:00,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:18:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1637 proven. 225 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2024-11-10 07:18:01,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:18:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-10 07:18:02,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424336605] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:18:02,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:18:02,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 12] total 35 [2024-11-10 07:18:02,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371446893] [2024-11-10 07:18:02,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:18:02,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-10 07:18:02,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:18:02,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-10 07:18:02,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 07:18:02,194 INFO L87 Difference]: Start difference. First operand 651 states and 871 transitions. Second operand has 35 states, 35 states have (on average 5.057142857142857) internal successors, (177), 34 states have internal predecessors, (177), 8 states have call successors, (103), 4 states have call predecessors, (103), 8 states have return successors, (105), 8 states have call predecessors, (105), 8 states have call successors, (105) [2024-11-10 07:18:10,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:18:10,883 INFO L93 Difference]: Finished difference Result 2391 states and 3127 transitions. [2024-11-10 07:18:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-10 07:18:10,884 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 5.057142857142857) internal successors, (177), 34 states have internal predecessors, (177), 8 states have call successors, (103), 4 states have call predecessors, (103), 8 states have return successors, (105), 8 states have call predecessors, (105), 8 states have call successors, (105) Word has length 275 [2024-11-10 07:18:10,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:18:10,892 INFO L225 Difference]: With dead ends: 2391 [2024-11-10 07:18:10,893 INFO L226 Difference]: Without dead ends: 1857 [2024-11-10 07:18:10,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 630 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5274 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=3567, Invalid=13463, Unknown=0, NotChecked=0, Total=17030 [2024-11-10 07:18:10,899 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 6142 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6142 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 4070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 3522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-10 07:18:10,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6142 Valid, 1433 Invalid, 4070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [548 Valid, 3522 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-10 07:18:10,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-11-10 07:18:11,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 489. [2024-11-10 07:18:11,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 373 states have (on average 1.2466487935656836) internal successors, (465), 373 states have internal predecessors, (465), 80 states have call successors, (80), 35 states have call predecessors, (80), 35 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 07:18:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 625 transitions. [2024-11-10 07:18:11,033 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 625 transitions. Word has length 275 [2024-11-10 07:18:11,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:18:11,033 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 625 transitions. [2024-11-10 07:18:11,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 5.057142857142857) internal successors, (177), 34 states have internal predecessors, (177), 8 states have call successors, (103), 4 states have call predecessors, (103), 8 states have return successors, (105), 8 states have call predecessors, (105), 8 states have call successors, (105) [2024-11-10 07:18:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 625 transitions. [2024-11-10 07:18:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-10 07:18:11,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:18:11,036 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:18:11,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 07:18:11,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:18:11,241 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:18:11,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:18:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash -592452352, now seen corresponding path program 1 times [2024-11-10 07:18:11,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:18:11,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118119262] [2024-11-10 07:18:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:18:11,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:18:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:18:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:18:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:18:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:18:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:18:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:18:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:18:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:18:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:18:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:18:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:18:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:18:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:18:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:18:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:18:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:18:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:18:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:18:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:18:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:18:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:18:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:18:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:18:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:18:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:18:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:18:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:18:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:18:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:18:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:18:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:18:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:18:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:18:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:18:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:18:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:18:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:18:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:18:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:18:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:18:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:18:11,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:18:11,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118119262] [2024-11-10 07:18:11,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118119262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:18:11,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309714025] [2024-11-10 07:18:11,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:18:11,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:18:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:18:11,896 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:18:11,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 07:18:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:12,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 07:18:12,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:18:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-11-10 07:18:12,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:18:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:18:12,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309714025] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:18:12,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:18:12,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-11-10 07:18:12,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871516421] [2024-11-10 07:18:12,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:18:12,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 07:18:12,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:18:12,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 07:18:12,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-10 07:18:12,668 INFO L87 Difference]: Start difference. First operand 489 states and 625 transitions. Second operand has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 12 states have internal predecessors, (133), 3 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2024-11-10 07:18:13,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:18:13,121 INFO L93 Difference]: Finished difference Result 853 states and 1105 transitions. [2024-11-10 07:18:13,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:18:13,122 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 12 states have internal predecessors, (133), 3 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) Word has length 276 [2024-11-10 07:18:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:18:13,126 INFO L225 Difference]: With dead ends: 853 [2024-11-10 07:18:13,126 INFO L226 Difference]: Without dead ends: 505 [2024-11-10 07:18:13,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:18:13,128 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 121 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:18:13,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 644 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:18:13,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-10 07:18:13,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 491. [2024-11-10 07:18:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 375 states have (on average 1.2453333333333334) internal successors, (467), 375 states have internal predecessors, (467), 80 states have call successors, (80), 35 states have call predecessors, (80), 35 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 07:18:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 627 transitions. [2024-11-10 07:18:13,240 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 627 transitions. Word has length 276 [2024-11-10 07:18:13,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:18:13,240 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 627 transitions. [2024-11-10 07:18:13,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 12 states have internal predecessors, (133), 3 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2024-11-10 07:18:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 627 transitions. [2024-11-10 07:18:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-10 07:18:13,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:18:13,243 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:18:13,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 07:18:13,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:18:13,447 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:18:13,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:18:13,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1615433769, now seen corresponding path program 1 times [2024-11-10 07:18:13,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:18:13,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763525292] [2024-11-10 07:18:13,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:18:13,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:18:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:18:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:18:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:18:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:18:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:18:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:18:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:18:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:18:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:18:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:18:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:18:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:18:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:18:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:18:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:18:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:18:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:18:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:18:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:18:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:18:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:18:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:18:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:18:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:18:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:18:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:18:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:18:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:18:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:18:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:13,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:18:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:18:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:18:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:18:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:18:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:18:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:18:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:18:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:18:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:18:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:18:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 150 proven. 78 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-10 07:18:14,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:18:14,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763525292] [2024-11-10 07:18:14,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763525292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:18:14,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61486255] [2024-11-10 07:18:14,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:18:14,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:18:14,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:18:14,049 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:18:14,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 07:18:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:14,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 07:18:14,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:18:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2024-11-10 07:18:14,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 07:18:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-10 07:18:15,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61486255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 07:18:15,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 07:18:15,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 12] total 24 [2024-11-10 07:18:15,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905697240] [2024-11-10 07:18:15,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 07:18:15,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 07:18:15,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:18:15,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 07:18:15,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2024-11-10 07:18:15,151 INFO L87 Difference]: Start difference. First operand 491 states and 627 transitions. Second operand has 24 states, 23 states have (on average 7.086956521739131) internal successors, (163), 22 states have internal predecessors, (163), 8 states have call successors, (82), 4 states have call predecessors, (82), 9 states have return successors, (83), 8 states have call predecessors, (83), 8 states have call successors, (83) [2024-11-10 07:18:16,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:18:16,522 INFO L93 Difference]: Finished difference Result 1182 states and 1512 transitions. [2024-11-10 07:18:16,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-10 07:18:16,522 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.086956521739131) internal successors, (163), 22 states have internal predecessors, (163), 8 states have call successors, (82), 4 states have call predecessors, (82), 9 states have return successors, (83), 8 states have call predecessors, (83), 8 states have call successors, (83) Word has length 277 [2024-11-10 07:18:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:18:16,527 INFO L225 Difference]: With dead ends: 1182 [2024-11-10 07:18:16,527 INFO L226 Difference]: Without dead ends: 832 [2024-11-10 07:18:16,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 624 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=850, Invalid=2230, Unknown=0, NotChecked=0, Total=3080 [2024-11-10 07:18:16,530 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1804 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1804 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:18:16,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1804 Valid, 917 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:18:16,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-10 07:18:16,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 460. [2024-11-10 07:18:16,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 338 states have (on average 1.1923076923076923) internal successors, (403), 338 states have internal predecessors, (403), 80 states have call successors, (80), 41 states have call predecessors, (80), 41 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 07:18:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 563 transitions. [2024-11-10 07:18:16,666 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 563 transitions. Word has length 277 [2024-11-10 07:18:16,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:18:16,667 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 563 transitions. [2024-11-10 07:18:16,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.086956521739131) internal successors, (163), 22 states have internal predecessors, (163), 8 states have call successors, (82), 4 states have call predecessors, (82), 9 states have return successors, (83), 8 states have call predecessors, (83), 8 states have call successors, (83) [2024-11-10 07:18:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 563 transitions. [2024-11-10 07:18:16,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 07:18:16,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:18:16,670 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:18:16,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 07:18:16,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 07:18:16,871 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:18:16,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:18:16,871 INFO L85 PathProgramCache]: Analyzing trace with hash -303988460, now seen corresponding path program 1 times [2024-11-10 07:18:16,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:18:16,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808054515] [2024-11-10 07:18:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:18:16,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:18:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:18:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:18:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:18:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:18:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:18:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:18:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:18:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:18:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:18:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:18:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:18:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:18:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:18:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:18:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:18:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:18:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:18:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:18:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:18:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:18:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:18:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:18:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:18:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:18:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:18:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:18:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:18:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:18:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:18:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:18:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:18:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:18:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:18:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:18:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:18:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:18:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:18:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:18:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:18:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:18:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:18:17,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:18:17,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808054515] [2024-11-10 07:18:17,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808054515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:18:17,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:18:17,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:18:17,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163693637] [2024-11-10 07:18:17,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:18:17,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:18:17,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:18:17,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:18:17,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:18:17,218 INFO L87 Difference]: Start difference. First operand 460 states and 563 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:18:17,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:18:17,590 INFO L93 Difference]: Finished difference Result 811 states and 1017 transitions. [2024-11-10 07:18:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:18:17,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-10 07:18:17,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:18:17,594 INFO L225 Difference]: With dead ends: 811 [2024-11-10 07:18:17,594 INFO L226 Difference]: Without dead ends: 504 [2024-11-10 07:18:17,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:18:17,595 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 229 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:18:17,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 533 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:18:17,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-10 07:18:17,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 464. [2024-11-10 07:18:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 342 states have (on average 1.1900584795321638) internal successors, (407), 342 states have internal predecessors, (407), 80 states have call successors, (80), 41 states have call predecessors, (80), 41 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 07:18:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 567 transitions. [2024-11-10 07:18:17,740 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 567 transitions. Word has length 278 [2024-11-10 07:18:17,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:18:17,740 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 567 transitions. [2024-11-10 07:18:17,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:18:17,740 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 567 transitions. [2024-11-10 07:18:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 07:18:17,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:18:17,742 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:18:17,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 07:18:17,742 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:18:17,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:18:17,743 INFO L85 PathProgramCache]: Analyzing trace with hash -370995213, now seen corresponding path program 1 times [2024-11-10 07:18:17,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:18:17,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523327717] [2024-11-10 07:18:17,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:18:17,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:18:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:18:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:18:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:18:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:18:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:18:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:18:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:18:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:18:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:18:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:18:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:18:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:18:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:18:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:18:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:18:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:18:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:18:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:18:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:18:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:18:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:18:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:18:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:18:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:18:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:18:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:18:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:18:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:18:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:18:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:18:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:18:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:18:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:18:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:18:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:18:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:18:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:18:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:18:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:18:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:18:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-10 07:18:18,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:18:18,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523327717] [2024-11-10 07:18:18,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523327717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:18:18,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:18:18,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:18:18,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793122561] [2024-11-10 07:18:18,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:18:18,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:18:18,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:18:18,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:18:18,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:18:18,303 INFO L87 Difference]: Start difference. First operand 464 states and 567 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:18:18,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:18:18,586 INFO L93 Difference]: Finished difference Result 936 states and 1181 transitions. [2024-11-10 07:18:18,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 07:18:18,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-10 07:18:18,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:18:18,590 INFO L225 Difference]: With dead ends: 936 [2024-11-10 07:18:18,590 INFO L226 Difference]: Without dead ends: 625 [2024-11-10 07:18:18,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:18:18,591 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 100 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:18:18,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 638 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:18:18,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-10 07:18:18,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 556. [2024-11-10 07:18:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 434 states have (on average 1.2304147465437787) internal successors, (534), 434 states have internal predecessors, (534), 80 states have call successors, (80), 41 states have call predecessors, (80), 41 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 07:18:18,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 694 transitions. [2024-11-10 07:18:18,700 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 694 transitions. Word has length 278 [2024-11-10 07:18:18,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:18:18,701 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 694 transitions. [2024-11-10 07:18:18,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-10 07:18:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 694 transitions. [2024-11-10 07:18:18,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 07:18:18,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:18:18,703 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:18:18,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 07:18:18,703 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:18:18,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:18:18,704 INFO L85 PathProgramCache]: Analyzing trace with hash -495068460, now seen corresponding path program 1 times [2024-11-10 07:18:18,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:18:18,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497546743] [2024-11-10 07:18:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:18:18,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:18:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:18:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 07:18:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 07:18:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 07:18:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 07:18:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 07:18:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 07:18:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 07:18:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 07:18:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 07:18:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 07:18:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 07:18:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 07:18:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 07:18:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 07:18:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 07:18:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 07:18:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 07:18:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 07:18:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 07:18:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 07:18:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 07:18:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 07:18:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 07:18:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 07:18:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:18:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 07:18:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 07:18:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 07:18:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 07:18:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 07:18:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 07:18:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 07:18:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 07:18:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 07:18:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 07:18:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 07:18:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 07:18:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 07:18:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 07:18:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-10 07:18:21,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:18:21,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497546743] [2024-11-10 07:18:21,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497546743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:18:21,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430482215] [2024-11-10 07:18:21,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:18:21,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:18:21,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:18:21,919 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:18:21,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 07:18:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:18:22,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-10 07:18:22,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:18:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2088 proven. 645 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-11-10 07:18:26,688 INFO L311 TraceCheckSpWp]: Computing backward predicates...