./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.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 da8d6803321973ca630199b6637b3c7e1909a2521698c73f2599b09c55d0dc3c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:36:15,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:36:15,757 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:36:15,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:36:15,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:36:15,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:36:15,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:36:15,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:36:15,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:36:15,798 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:36:15,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:36:15,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:36:15,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:36:15,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:36:15,802 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:36:15,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:36:15,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:36:15,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:36:15,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:36:15,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:36:15,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:36:15,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:36:15,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:36:15,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:36:15,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:36:15,809 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:36:15,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:36:15,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:36:15,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:36:15,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:36:15,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:36:15,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:36:15,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:36:15,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:36:15,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:36:15,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:36:15,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:36:15,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:36:15,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:36:15,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:36:15,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:36:15,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:36:15,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da8d6803321973ca630199b6637b3c7e1909a2521698c73f2599b09c55d0dc3c [2024-11-09 00:36:16,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:36:16,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:36:16,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:36:16,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:36:16,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:36:16,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.i [2024-11-09 00:36:17,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:36:17,748 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:36:17,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.i [2024-11-09 00:36:17,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4671118cf/23e85b7f5759488cbb13a6a9f69fe35f/FLAGcd2a41024 [2024-11-09 00:36:18,089 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4671118cf/23e85b7f5759488cbb13a6a9f69fe35f [2024-11-09 00:36:18,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:36:18,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:36:18,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:18,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:36:18,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:36:18,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d5dd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18, skipping insertion in model container [2024-11-09 00:36:18,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:36:18,349 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.i[916,929] [2024-11-09 00:36:18,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:18,585 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:36:18,597 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-13.i[916,929] [2024-11-09 00:36:18,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:18,710 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:36:18,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18 WrapperNode [2024-11-09 00:36:18,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:18,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:18,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:36:18,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:36:18,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,787 INFO L138 Inliner]: procedures = 26, calls = 65, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 410 [2024-11-09 00:36:18,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:18,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:36:18,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:36:18,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:36:18,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,853 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]. [2024-11-09 00:36:18,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:36:18,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:36:18,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:36:18,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:36:18,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (1/1) ... [2024-11-09 00:36:18,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:36:18,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:18,953 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) [2024-11-09 00:36:18,956 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 [2024-11-09 00:36:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:36:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:36:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:36:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:36:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:36:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:36:19,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:36:19,102 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:36:19,902 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-09 00:36:19,902 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:36:19,922 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:36:19,924 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:36:19,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:19 BoogieIcfgContainer [2024-11-09 00:36:19,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:36:19,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:36:19,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:36:19,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:36:19,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:36:18" (1/3) ... [2024-11-09 00:36:19,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72cac5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:36:19, skipping insertion in model container [2024-11-09 00:36:19,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:18" (2/3) ... [2024-11-09 00:36:19,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72cac5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:36:19, skipping insertion in model container [2024-11-09 00:36:19,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:19" (3/3) ... [2024-11-09 00:36:19,933 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-13.i [2024-11-09 00:36:19,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:36:19,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:36:20,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:36:20,023 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;@3119e99f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:36:20,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:36:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 118 states have (on average 1.4745762711864407) internal successors, (174), 119 states have internal predecessors, (174), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 00:36:20,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-09 00:36:20,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:20,057 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:20,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:20,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:20,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1728996978, now seen corresponding path program 1 times [2024-11-09 00:36:20,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:20,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443982797] [2024-11-09 00:36:20,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:20,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-09 00:36:20,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:20,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443982797] [2024-11-09 00:36:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443982797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:20,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:20,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:36:20,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900413375] [2024-11-09 00:36:20,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:20,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:36:20,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:20,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:36:20,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:36:20,846 INFO L87 Difference]: Start difference. First operand has 173 states, 118 states have (on average 1.4745762711864407) internal successors, (174), 119 states have internal predecessors, (174), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-09 00:36:20,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:20,910 INFO L93 Difference]: Finished difference Result 339 states and 602 transitions. [2024-11-09 00:36:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:36:20,913 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) Word has length 342 [2024-11-09 00:36:20,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:20,921 INFO L225 Difference]: With dead ends: 339 [2024-11-09 00:36:20,922 INFO L226 Difference]: Without dead ends: 169 [2024-11-09 00:36:20,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:36:20,933 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:20,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:36:20,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-09 00:36:20,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-09 00:36:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 115 states have (on average 1.4434782608695653) internal successors, (166), 115 states have internal predecessors, (166), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 00:36:20,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 270 transitions. [2024-11-09 00:36:20,999 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 270 transitions. Word has length 342 [2024-11-09 00:36:20,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:20,999 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 270 transitions. [2024-11-09 00:36:21,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-09 00:36:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 270 transitions. [2024-11-09 00:36:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-09 00:36:21,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:21,013 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:21,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:36:21,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:21,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:21,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1842075286, now seen corresponding path program 1 times [2024-11-09 00:36:21,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:21,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023836012] [2024-11-09 00:36:21,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:21,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-09 00:36:21,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:21,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023836012] [2024-11-09 00:36:21,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023836012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:21,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:21,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:36:21,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392131807] [2024-11-09 00:36:21,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:21,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:36:21,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:21,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:36:21,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:36:21,933 INFO L87 Difference]: Start difference. First operand 169 states and 270 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-09 00:36:22,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:22,248 INFO L93 Difference]: Finished difference Result 502 states and 805 transitions. [2024-11-09 00:36:22,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:36:22,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 342 [2024-11-09 00:36:22,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:22,254 INFO L225 Difference]: With dead ends: 502 [2024-11-09 00:36:22,254 INFO L226 Difference]: Without dead ends: 336 [2024-11-09 00:36:22,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:36:22,256 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 191 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:22,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 792 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:36:22,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-09 00:36:22,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 264. [2024-11-09 00:36:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 157 states have (on average 1.3503184713375795) internal successors, (212), 157 states have internal predecessors, (212), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 00:36:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 420 transitions. [2024-11-09 00:36:22,312 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 420 transitions. Word has length 342 [2024-11-09 00:36:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:22,313 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 420 transitions. [2024-11-09 00:36:22,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-09 00:36:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 420 transitions. [2024-11-09 00:36:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-09 00:36:22,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:22,318 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:22,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:36:22,318 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:22,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:22,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1559405672, now seen corresponding path program 1 times [2024-11-09 00:36:22,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:22,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477455746] [2024-11-09 00:36:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-09 00:36:22,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:22,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477455746] [2024-11-09 00:36:22,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477455746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:22,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:22,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:36:22,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612512703] [2024-11-09 00:36:22,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:22,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:36:22,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:22,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:36:22,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:36:22,928 INFO L87 Difference]: Start difference. First operand 264 states and 420 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-09 00:36:22,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:22,971 INFO L93 Difference]: Finished difference Result 430 states and 687 transitions. [2024-11-09 00:36:22,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:36:22,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 342 [2024-11-09 00:36:22,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:22,976 INFO L225 Difference]: With dead ends: 430 [2024-11-09 00:36:22,976 INFO L226 Difference]: Without dead ends: 264 [2024-11-09 00:36:22,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:36:22,979 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 258 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:22,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 564 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:36:22,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-09 00:36:23,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-11-09 00:36:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 00:36:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 418 transitions. [2024-11-09 00:36:23,047 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 418 transitions. Word has length 342 [2024-11-09 00:36:23,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:23,049 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 418 transitions. [2024-11-09 00:36:23,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-09 00:36:23,049 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 418 transitions. [2024-11-09 00:36:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-09 00:36:23,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:23,055 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:23,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 00:36:23,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:23,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:23,056 INFO L85 PathProgramCache]: Analyzing trace with hash 530046374, now seen corresponding path program 1 times [2024-11-09 00:36:23,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:23,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412353222] [2024-11-09 00:36:23,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:23,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-09 00:36:24,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:24,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412353222] [2024-11-09 00:36:24,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412353222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:24,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:24,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 00:36:24,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693268185] [2024-11-09 00:36:24,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:24,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 00:36:24,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:24,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 00:36:24,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:36:24,781 INFO L87 Difference]: Start difference. First operand 264 states and 418 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-09 00:36:25,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:25,856 INFO L93 Difference]: Finished difference Result 876 states and 1374 transitions. [2024-11-09 00:36:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 00:36:25,856 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 342 [2024-11-09 00:36:25,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:25,865 INFO L225 Difference]: With dead ends: 876 [2024-11-09 00:36:25,865 INFO L226 Difference]: Without dead ends: 710 [2024-11-09 00:36:25,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2024-11-09 00:36:25,870 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 819 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:25,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1777 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 00:36:25,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-09 00:36:25,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 626. [2024-11-09 00:36:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 456 states have (on average 1.4780701754385965) internal successors, (674), 458 states have internal predecessors, (674), 164 states have call successors, (164), 5 states have call predecessors, (164), 5 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-09 00:36:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 1002 transitions. [2024-11-09 00:36:25,990 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 1002 transitions. Word has length 342 [2024-11-09 00:36:25,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:25,993 INFO L471 AbstractCegarLoop]: Abstraction has 626 states and 1002 transitions. [2024-11-09 00:36:25,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-09 00:36:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1002 transitions. [2024-11-09 00:36:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-09 00:36:26,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:26,000 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:26,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 00:36:26,001 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:26,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:26,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1210104744, now seen corresponding path program 1 times [2024-11-09 00:36:26,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:26,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148629121] [2024-11-09 00:36:26,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:26,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-09 00:36:27,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:27,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148629121] [2024-11-09 00:36:27,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148629121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:27,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:27,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 00:36:27,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421478611] [2024-11-09 00:36:27,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:27,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 00:36:27,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:27,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 00:36:27,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:36:27,038 INFO L87 Difference]: Start difference. First operand 626 states and 1002 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-09 00:36:27,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:27,474 INFO L93 Difference]: Finished difference Result 1924 states and 3078 transitions. [2024-11-09 00:36:27,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 00:36:27,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 342 [2024-11-09 00:36:27,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:27,483 INFO L225 Difference]: With dead ends: 1924 [2024-11-09 00:36:27,484 INFO L226 Difference]: Without dead ends: 1402 [2024-11-09 00:36:27,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:36:27,486 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 596 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:27,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 1077 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:36:27,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-11-09 00:36:27,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1094. [2024-11-09 00:36:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 868 states have (on average 1.521889400921659) internal successors, (1321), 874 states have internal predecessors, (1321), 216 states have call successors, (216), 9 states have call predecessors, (216), 9 states have return successors, (216), 210 states have call predecessors, (216), 216 states have call successors, (216) [2024-11-09 00:36:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1753 transitions. [2024-11-09 00:36:27,592 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1753 transitions. Word has length 342 [2024-11-09 00:36:27,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:27,592 INFO L471 AbstractCegarLoop]: Abstraction has 1094 states and 1753 transitions. [2024-11-09 00:36:27,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-09 00:36:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1753 transitions. [2024-11-09 00:36:27,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-09 00:36:27,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:27,597 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:27,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 00:36:27,597 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:27,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:27,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1713055254, now seen corresponding path program 1 times [2024-11-09 00:36:27,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:27,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94183549] [2024-11-09 00:36:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:27,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-09 00:36:28,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:28,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94183549] [2024-11-09 00:36:28,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94183549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:28,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:28,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 00:36:28,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145783571] [2024-11-09 00:36:28,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:28,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 00:36:28,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:28,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 00:36:28,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:36:28,783 INFO L87 Difference]: Start difference. First operand 1094 states and 1753 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-09 00:36:29,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:29,940 INFO L93 Difference]: Finished difference Result 3866 states and 6114 transitions. [2024-11-09 00:36:29,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 00:36:29,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 342 [2024-11-09 00:36:29,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:29,957 INFO L225 Difference]: With dead ends: 3866 [2024-11-09 00:36:29,957 INFO L226 Difference]: Without dead ends: 2876 [2024-11-09 00:36:29,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-09 00:36:29,961 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 926 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:29,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 865 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 00:36:29,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2024-11-09 00:36:30,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 2086. [2024-11-09 00:36:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2086 states, 1739 states have (on average 1.5434157561817137) internal successors, (2684), 1753 states have internal predecessors, (2684), 328 states have call successors, (328), 18 states have call predecessors, (328), 18 states have return successors, (328), 314 states have call predecessors, (328), 328 states have call successors, (328) [2024-11-09 00:36:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 3340 transitions. [2024-11-09 00:36:30,161 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 3340 transitions. Word has length 342 [2024-11-09 00:36:30,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:30,161 INFO L471 AbstractCegarLoop]: Abstraction has 2086 states and 3340 transitions. [2024-11-09 00:36:30,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-09 00:36:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 3340 transitions. [2024-11-09 00:36:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-09 00:36:30,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:30,168 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:30,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 00:36:30,169 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:30,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:30,169 INFO L85 PathProgramCache]: Analyzing trace with hash 66623133, now seen corresponding path program 1 times [2024-11-09 00:36:30,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:30,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106523948] [2024-11-09 00:36:30,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:30,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 30 proven. 123 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-09 00:36:31,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:31,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106523948] [2024-11-09 00:36:31,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106523948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:31,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337257022] [2024-11-09 00:36:31,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:31,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:31,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:31,113 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) [2024-11-09 00:36:31,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:36:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:36:31,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:31,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 2521 proven. 96 refuted. 0 times theorem prover too weak. 2687 trivial. 0 not checked. [2024-11-09 00:36:31,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 57 proven. 96 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-09 00:36:32,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337257022] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:36:32,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:36:32,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-09 00:36:32,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677990626] [2024-11-09 00:36:32,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:32,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 00:36:32,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:32,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 00:36:32,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 00:36:32,275 INFO L87 Difference]: Start difference. First operand 2086 states and 3340 transitions. Second operand has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 9 states have internal predecessors, (158), 3 states have call successors, (125), 2 states have call predecessors, (125), 4 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) [2024-11-09 00:36:32,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:32,938 INFO L93 Difference]: Finished difference Result 4170 states and 6601 transitions. [2024-11-09 00:36:32,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 00:36:32,939 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 9 states have internal predecessors, (158), 3 states have call successors, (125), 2 states have call predecessors, (125), 4 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) Word has length 342 [2024-11-09 00:36:32,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:32,950 INFO L225 Difference]: With dead ends: 4170 [2024-11-09 00:36:32,950 INFO L226 Difference]: Without dead ends: 2196 [2024-11-09 00:36:32,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 784 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-09 00:36:32,954 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 600 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:32,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 492 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:36:32,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2024-11-09 00:36:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2158. [2024-11-09 00:36:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 1793 states have (on average 1.4824316787506973) internal successors, (2658), 1807 states have internal predecessors, (2658), 328 states have call successors, (328), 36 states have call predecessors, (328), 36 states have return successors, (328), 314 states have call predecessors, (328), 328 states have call successors, (328) [2024-11-09 00:36:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3314 transitions. [2024-11-09 00:36:33,143 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3314 transitions. Word has length 342 [2024-11-09 00:36:33,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:33,144 INFO L471 AbstractCegarLoop]: Abstraction has 2158 states and 3314 transitions. [2024-11-09 00:36:33,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 9 states have internal predecessors, (158), 3 states have call successors, (125), 2 states have call predecessors, (125), 4 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) [2024-11-09 00:36:33,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3314 transitions. [2024-11-09 00:36:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-09 00:36:33,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:33,152 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:33,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 00:36:33,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:33,353 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:33,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash -546298469, now seen corresponding path program 1 times [2024-11-09 00:36:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:33,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373146984] [2024-11-09 00:36:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 129 proven. 24 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-09 00:36:34,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:34,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373146984] [2024-11-09 00:36:34,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373146984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:34,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491652846] [2024-11-09 00:36:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:34,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:34,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:34,424 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) [2024-11-09 00:36:34,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 00:36:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:34,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:36:34,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 1513 proven. 24 refuted. 0 times theorem prover too weak. 3767 trivial. 0 not checked. [2024-11-09 00:36:35,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 129 proven. 24 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-09 00:36:35,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491652846] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:36:35,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:36:35,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 16 [2024-11-09 00:36:35,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643064057] [2024-11-09 00:36:35,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:35,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 00:36:35,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:35,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 00:36:35,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-09 00:36:35,642 INFO L87 Difference]: Start difference. First operand 2158 states and 3314 transitions. Second operand has 16 states, 16 states have (on average 10.375) internal successors, (166), 16 states have internal predecessors, (166), 5 states have call successors, (156), 3 states have call predecessors, (156), 6 states have return successors, (156), 5 states have call predecessors, (156), 5 states have call successors, (156) [2024-11-09 00:36:36,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:36,351 INFO L93 Difference]: Finished difference Result 4246 states and 6498 transitions. [2024-11-09 00:36:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 00:36:36,354 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.375) internal successors, (166), 16 states have internal predecessors, (166), 5 states have call successors, (156), 3 states have call predecessors, (156), 6 states have return successors, (156), 5 states have call predecessors, (156), 5 states have call successors, (156) Word has length 343 [2024-11-09 00:36:36,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:36,367 INFO L225 Difference]: With dead ends: 4246 [2024-11-09 00:36:36,367 INFO L226 Difference]: Without dead ends: 2208 [2024-11-09 00:36:36,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 779 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-11-09 00:36:36,374 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 712 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:36,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 798 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 00:36:36,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2024-11-09 00:36:36,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2170. [2024-11-09 00:36:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2170 states, 1802 states have (on average 1.470033296337403) internal successors, (2649), 1816 states have internal predecessors, (2649), 328 states have call successors, (328), 39 states have call predecessors, (328), 39 states have return successors, (328), 314 states have call predecessors, (328), 328 states have call successors, (328) [2024-11-09 00:36:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 2170 states and 3305 transitions. [2024-11-09 00:36:36,553 INFO L78 Accepts]: Start accepts. Automaton has 2170 states and 3305 transitions. Word has length 343 [2024-11-09 00:36:36,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:36,555 INFO L471 AbstractCegarLoop]: Abstraction has 2170 states and 3305 transitions. [2024-11-09 00:36:36,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.375) internal successors, (166), 16 states have internal predecessors, (166), 5 states have call successors, (156), 3 states have call predecessors, (156), 6 states have return successors, (156), 5 states have call predecessors, (156), 5 states have call successors, (156) [2024-11-09 00:36:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 3305 transitions. [2024-11-09 00:36:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-09 00:36:36,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:36,561 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:36,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 00:36:36,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 00:36:36,766 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:36,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:36,767 INFO L85 PathProgramCache]: Analyzing trace with hash 113233053, now seen corresponding path program 1 times [2024-11-09 00:36:36,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:36,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145550708] [2024-11-09 00:36:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:36,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 30 proven. 123 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-09 00:36:37,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:37,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145550708] [2024-11-09 00:36:37,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145550708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:37,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621452159] [2024-11-09 00:36:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:37,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:37,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:37,708 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) [2024-11-09 00:36:37,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 00:36:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:36:37,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 1711 proven. 123 refuted. 0 times theorem prover too weak. 3470 trivial. 0 not checked. [2024-11-09 00:36:38,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 30 proven. 123 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-09 00:36:38,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621452159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:36:38,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:36:38,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-11-09 00:36:38,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850284032] [2024-11-09 00:36:38,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:38,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 00:36:38,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:38,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 00:36:38,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-09 00:36:38,682 INFO L87 Difference]: Start difference. First operand 2170 states and 3305 transitions. Second operand has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 4 states have call successors, (134), 2 states have call predecessors, (134), 4 states have return successors, (135), 4 states have call predecessors, (135), 4 states have call successors, (135) [2024-11-09 00:36:39,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:39,226 INFO L93 Difference]: Finished difference Result 3243 states and 4939 transitions. [2024-11-09 00:36:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:36:39,227 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 4 states have call successors, (134), 2 states have call predecessors, (134), 4 states have return successors, (135), 4 states have call predecessors, (135), 4 states have call successors, (135) Word has length 343 [2024-11-09 00:36:39,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:39,238 INFO L225 Difference]: With dead ends: 3243 [2024-11-09 00:36:39,238 INFO L226 Difference]: Without dead ends: 2208 [2024-11-09 00:36:39,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 798 GetRequests, 784 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2024-11-09 00:36:39,244 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 229 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:39,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 875 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:36:39,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2024-11-09 00:36:39,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2170. [2024-11-09 00:36:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2170 states, 1802 states have (on average 1.4600443951165372) internal successors, (2631), 1816 states have internal predecessors, (2631), 328 states have call successors, (328), 39 states have call predecessors, (328), 39 states have return successors, (328), 314 states have call predecessors, (328), 328 states have call successors, (328) [2024-11-09 00:36:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 2170 states and 3287 transitions. [2024-11-09 00:36:39,413 INFO L78 Accepts]: Start accepts. Automaton has 2170 states and 3287 transitions. Word has length 343 [2024-11-09 00:36:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:39,414 INFO L471 AbstractCegarLoop]: Abstraction has 2170 states and 3287 transitions. [2024-11-09 00:36:39,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.083333333333334) internal successors, (181), 12 states have internal predecessors, (181), 4 states have call successors, (134), 2 states have call predecessors, (134), 4 states have return successors, (135), 4 states have call predecessors, (135), 4 states have call successors, (135) [2024-11-09 00:36:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 3287 transitions. [2024-11-09 00:36:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-09 00:36:39,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:39,420 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:39,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 00:36:39,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:39,625 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:39,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:39,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1304140050, now seen corresponding path program 1 times [2024-11-09 00:36:39,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:39,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227026685] [2024-11-09 00:36:39,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:39,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:36:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:36:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:36:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:36:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:36:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:36:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 00:36:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 00:36:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 00:36:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 00:36:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 00:36:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 00:36:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 00:36:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 00:36:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 00:36:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 00:36:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 00:36:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 00:36:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 00:36:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 00:36:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 00:36:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 00:36:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 00:36:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 00:36:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 00:36:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 00:36:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 00:36:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-09 00:36:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 00:36:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:36:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:36:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-09 00:36:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:36:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-09 00:36:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:36:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-09 00:36:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:36:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 00:36:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-09 00:36:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-09 00:36:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 00:36:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-09 00:36:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-09 00:36:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 00:36:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-09 00:36:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-09 00:36:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-09 00:36:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-09 00:36:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 00:36:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:43,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 687 proven. 18 refuted. 0 times theorem prover too weak. 4599 trivial. 0 not checked. [2024-11-09 00:36:43,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:43,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227026685] [2024-11-09 00:36:43,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227026685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:43,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055263102] [2024-11-09 00:36:43,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:43,947 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) [2024-11-09 00:36:43,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 00:36:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:44,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:36:44,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 1281 proven. 18 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2024-11-09 00:36:45,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:46,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055263102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:46,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 00:36:46,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 39 [2024-11-09 00:36:46,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273737632] [2024-11-09 00:36:46,309 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:46,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-09 00:36:46,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:46,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-09 00:36:46,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1787, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 00:36:46,312 INFO L87 Difference]: Start difference. First operand 2170 states and 3287 transitions. Second operand has 39 states, 37 states have (on average 4.162162162162162) internal successors, (154), 34 states have internal predecessors, (154), 12 states have call successors, (104), 8 states have call predecessors, (104), 10 states have return successors, (104), 12 states have call predecessors, (104), 12 states have call successors, (104) [2024-11-09 00:36:49,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:49,663 INFO L93 Difference]: Finished difference Result 4326 states and 6486 transitions. [2024-11-09 00:36:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 00:36:49,664 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 4.162162162162162) internal successors, (154), 34 states have internal predecessors, (154), 12 states have call successors, (104), 8 states have call predecessors, (104), 10 states have return successors, (104), 12 states have call predecessors, (104), 12 states have call successors, (104) Word has length 344 [2024-11-09 00:36:49,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:49,678 INFO L225 Difference]: With dead ends: 4326 [2024-11-09 00:36:49,678 INFO L226 Difference]: Without dead ends: 2280 [2024-11-09 00:36:49,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=808, Invalid=3748, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 00:36:49,687 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1023 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:49,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 1442 Invalid, 2498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [707 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 00:36:49,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2280 states. [2024-11-09 00:36:49,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2280 to 2242. [2024-11-09 00:36:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 1856 states have (on average 1.4369612068965518) internal successors, (2667), 1870 states have internal predecessors, (2667), 328 states have call successors, (328), 57 states have call predecessors, (328), 57 states have return successors, (328), 314 states have call predecessors, (328), 328 states have call successors, (328) [2024-11-09 00:36:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 3323 transitions. [2024-11-09 00:36:49,948 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 3323 transitions. Word has length 344 [2024-11-09 00:36:49,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:49,948 INFO L471 AbstractCegarLoop]: Abstraction has 2242 states and 3323 transitions. [2024-11-09 00:36:49,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 4.162162162162162) internal successors, (154), 34 states have internal predecessors, (154), 12 states have call successors, (104), 8 states have call predecessors, (104), 10 states have return successors, (104), 12 states have call predecessors, (104), 12 states have call successors, (104) [2024-11-09 00:36:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 3323 transitions. [2024-11-09 00:36:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-09 00:36:49,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:49,954 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:49,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 00:36:50,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:50,155 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:50,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 909773264, now seen corresponding path program 1 times [2024-11-09 00:36:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:50,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273799133] [2024-11-09 00:36:50,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:50,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:51,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830422535] [2024-11-09 00:36:51,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:51,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:51,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:51,156 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) [2024-11-09 00:36:51,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 00:36:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:51,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-09 00:36:51,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 3215 proven. 207 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2024-11-09 00:37:15,791 INFO L311 TraceCheckSpWp]: Computing backward predicates...