./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-8.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 8756b08be05a2754ba7f473b23db96aacdd088f16a43249dcd482c532b48d535 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:10:39,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:10:40,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:10:40,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:10:40,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:10:40,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:10:40,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:10:40,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:10:40,080 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:10:40,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:10:40,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:10:40,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:10:40,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:10:40,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:10:40,085 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:10:40,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:10:40,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:10:40,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:10:40,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:10:40,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:10:40,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:10:40,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:10:40,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:10:40,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:10:40,092 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:10:40,092 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:10:40,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:10:40,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:10:40,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:10:40,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:10:40,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:10:40,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:10:40,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:10:40,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:10:40,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:10:40,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:10:40,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:10:40,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:10:40,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:10:40,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:10:40,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:10:40,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:10:40,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8756b08be05a2754ba7f473b23db96aacdd088f16a43249dcd482c532b48d535 [2024-10-13 05:10:40,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:10:40,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:10:40,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:10:40,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:10:40,397 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:10:40,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-8.i [2024-10-13 05:10:41,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:10:42,153 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:10:42,154 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-8.i [2024-10-13 05:10:42,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d92fe3708/86f6fe7dedaa42ce89bc265d5e75e5b2/FLAG1b0c5fd1b [2024-10-13 05:10:42,182 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d92fe3708/86f6fe7dedaa42ce89bc265d5e75e5b2 [2024-10-13 05:10:42,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:10:42,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:10:42,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:10:42,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:10:42,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:10:42,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5c2623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42, skipping insertion in model container [2024-10-13 05:10:42,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:10:42,407 WARN L248 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-8.i[915,928] [2024-10-13 05:10:42,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:10:42,552 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:10:42,565 WARN L248 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-8.i[915,928] [2024-10-13 05:10:42,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:10:42,690 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:10:42,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42 WrapperNode [2024-10-13 05:10:42,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:10:42,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:10:42,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:10:42,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:10:42,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,777 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 397 [2024-10-13 05:10:42,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:10:42,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:10:42,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:10:42,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:10:42,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,900 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]. [2024-10-13 05:10:42,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:10:42,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:10:42,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:10:42,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:10:42,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (1/1) ... [2024-10-13 05:10:42,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:10:42,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:10:43,011 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) [2024-10-13 05:10:43,019 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 [2024-10-13 05:10:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:10:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:10:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:10:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:10:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:10:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:10:43,166 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:10:43,168 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:10:43,895 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-10-13 05:10:43,895 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:10:43,951 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:10:43,952 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:10:43,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:10:43 BoogieIcfgContainer [2024-10-13 05:10:43,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:10:43,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:10:43,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:10:43,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:10:43,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:10:42" (1/3) ... [2024-10-13 05:10:43,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2502969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:10:43, skipping insertion in model container [2024-10-13 05:10:43,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:42" (2/3) ... [2024-10-13 05:10:43,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2502969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:10:43, skipping insertion in model container [2024-10-13 05:10:43,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:10:43" (3/3) ... [2024-10-13 05:10:43,963 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-8.i [2024-10-13 05:10:43,979 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:10:43,979 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:10:44,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:10:44,063 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;@17a6918, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:10:44,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:10:44,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 115 states have (on average 1.5478260869565217) internal successors, (178), 116 states have internal predecessors, (178), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 05:10:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-13 05:10:44,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:44,103 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:44,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:44,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:44,111 INFO L85 PathProgramCache]: Analyzing trace with hash 2062141958, now seen corresponding path program 1 times [2024-10-13 05:10:44,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:44,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200550886] [2024-10-13 05:10:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:44,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:10:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:10:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:10:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:10:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:10:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:10:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:10:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:10:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:10:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:10:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:10:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:10:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:10:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:10:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:10:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:10:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:10:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:10:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:10:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:10:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:10:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:10:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:10:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:10:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:10:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:10:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:10:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:10:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:10:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:10:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:10:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:10:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:10:44,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:44,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200550886] [2024-10-13 05:10:44,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200550886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:44,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:44,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 05:10:44,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63594842] [2024-10-13 05:10:44,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:44,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 05:10:44,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:44,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 05:10:44,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:10:44,990 INFO L87 Difference]: Start difference. First operand has 168 states, 115 states have (on average 1.5478260869565217) internal successors, (178), 116 states have internal predecessors, (178), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:10:45,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:45,063 INFO L93 Difference]: Finished difference Result 333 states and 604 transitions. [2024-10-13 05:10:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 05:10:45,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 323 [2024-10-13 05:10:45,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:45,078 INFO L225 Difference]: With dead ends: 333 [2024-10-13 05:10:45,078 INFO L226 Difference]: Without dead ends: 166 [2024-10-13 05:10:45,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:10:45,091 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:45,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:10:45,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-10-13 05:10:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-10-13 05:10:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 114 states have (on average 1.5175438596491229) internal successors, (173), 114 states have internal predecessors, (173), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 05:10:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 273 transitions. [2024-10-13 05:10:45,149 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 273 transitions. Word has length 323 [2024-10-13 05:10:45,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:45,150 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 273 transitions. [2024-10-13 05:10:45,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:10:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 273 transitions. [2024-10-13 05:10:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-13 05:10:45,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:45,157 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:45,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:10:45,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:45,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:45,158 INFO L85 PathProgramCache]: Analyzing trace with hash -959411634, now seen corresponding path program 1 times [2024-10-13 05:10:45,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:45,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139809388] [2024-10-13 05:10:45,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:10:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:10:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:10:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:10:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:10:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:10:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:10:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:10:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:10:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:10:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:10:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:10:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:10:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:10:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:10:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:10:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:10:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:10:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:10:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:10:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:10:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:10:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:10:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:10:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:10:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:10:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:10:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:10:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:10:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:10:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:10:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:10:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:10:45,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:45,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139809388] [2024-10-13 05:10:45,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139809388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:45,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:45,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:10:45,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87279867] [2024-10-13 05:10:45,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:45,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:10:45,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:45,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:10:45,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:45,668 INFO L87 Difference]: Start difference. First operand 166 states and 273 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:45,827 INFO L93 Difference]: Finished difference Result 483 states and 791 transitions. [2024-10-13 05:10:45,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:10:45,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 323 [2024-10-13 05:10:45,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:45,836 INFO L225 Difference]: With dead ends: 483 [2024-10-13 05:10:45,839 INFO L226 Difference]: Without dead ends: 318 [2024-10-13 05:10:45,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:45,842 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 242 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:45,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 651 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:10:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-13 05:10:45,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 316. [2024-10-13 05:10:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 213 states have (on average 1.4366197183098592) internal successors, (306), 213 states have internal predecessors, (306), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 05:10:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 506 transitions. [2024-10-13 05:10:45,883 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 506 transitions. Word has length 323 [2024-10-13 05:10:45,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:45,887 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 506 transitions. [2024-10-13 05:10:45,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 506 transitions. [2024-10-13 05:10:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-13 05:10:45,897 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:45,897 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:45,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:10:45,898 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:45,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash -55979002, now seen corresponding path program 1 times [2024-10-13 05:10:45,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:45,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537970690] [2024-10-13 05:10:45,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:45,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:10:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:10:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:10:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:10:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:10:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:10:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:10:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:10:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:10:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:10:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:10:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:10:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:10:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:10:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:10:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:10:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:10:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:10:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:10:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:10:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:10:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:10:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:10:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:10:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:10:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:10:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:10:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:10:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:10:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:10:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:10:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:10:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:10:46,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:46,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537970690] [2024-10-13 05:10:46,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537970690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:46,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:46,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:10:46,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379590727] [2024-10-13 05:10:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:46,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:10:46,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:10:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:46,272 INFO L87 Difference]: Start difference. First operand 316 states and 506 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:46,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:46,402 INFO L93 Difference]: Finished difference Result 638 states and 1020 transitions. [2024-10-13 05:10:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:10:46,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 323 [2024-10-13 05:10:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:46,407 INFO L225 Difference]: With dead ends: 638 [2024-10-13 05:10:46,407 INFO L226 Difference]: Without dead ends: 323 [2024-10-13 05:10:46,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:46,410 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 216 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:46,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 479 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:10:46,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-13 05:10:46,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2024-10-13 05:10:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 218 states have (on average 1.3807339449541285) internal successors, (301), 218 states have internal predecessors, (301), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 05:10:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 501 transitions. [2024-10-13 05:10:46,454 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 501 transitions. Word has length 323 [2024-10-13 05:10:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:46,455 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 501 transitions. [2024-10-13 05:10:46,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 501 transitions. [2024-10-13 05:10:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-13 05:10:46,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:46,460 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:46,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 05:10:46,460 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:46,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:46,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1644326904, now seen corresponding path program 1 times [2024-10-13 05:10:46,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:46,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112242334] [2024-10-13 05:10:46,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:46,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:10:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:46,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:10:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:10:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:10:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:10:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:10:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:10:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:10:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:10:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:10:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:10:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:10:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:10:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:10:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:10:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:10:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:10:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:10:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:10:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:10:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:10:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:10:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:10:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:10:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:10:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:10:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:10:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:10:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:10:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:10:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:10:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:10:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:10:47,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:47,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112242334] [2024-10-13 05:10:47,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112242334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:47,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:47,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:10:47,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024789396] [2024-10-13 05:10:47,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:47,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:10:47,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:10:47,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:47,248 INFO L87 Difference]: Start difference. First operand 321 states and 501 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:47,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:47,434 INFO L93 Difference]: Finished difference Result 808 states and 1257 transitions. [2024-10-13 05:10:47,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:10:47,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 323 [2024-10-13 05:10:47,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:47,443 INFO L225 Difference]: With dead ends: 808 [2024-10-13 05:10:47,443 INFO L226 Difference]: Without dead ends: 488 [2024-10-13 05:10:47,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:47,448 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 144 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:47,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 481 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:10:47,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-13 05:10:47,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 478. [2024-10-13 05:10:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 324 states have (on average 1.373456790123457) internal successors, (445), 324 states have internal predecessors, (445), 150 states have call successors, (150), 3 states have call predecessors, (150), 3 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-13 05:10:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 745 transitions. [2024-10-13 05:10:47,516 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 745 transitions. Word has length 323 [2024-10-13 05:10:47,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:47,517 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 745 transitions. [2024-10-13 05:10:47,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 745 transitions. [2024-10-13 05:10:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-13 05:10:47,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:47,522 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:47,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 05:10:47,523 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:47,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:47,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1778340410, now seen corresponding path program 1 times [2024-10-13 05:10:47,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:47,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376878564] [2024-10-13 05:10:47,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:47,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:10:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:10:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:10:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:10:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:10:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:10:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:10:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:10:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:10:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:10:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:10:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:10:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:10:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:10:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:10:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:10:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:10:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:10:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:10:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:10:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:10:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:10:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:10:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:10:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:10:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:10:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:10:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:10:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:10:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:10:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:10:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:10:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:10:48,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:48,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376878564] [2024-10-13 05:10:48,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376878564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:48,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:48,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:10:48,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009282818] [2024-10-13 05:10:48,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:48,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:10:48,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:48,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:10:48,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:48,338 INFO L87 Difference]: Start difference. First operand 478 states and 745 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:48,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:48,452 INFO L93 Difference]: Finished difference Result 1060 states and 1652 transitions. [2024-10-13 05:10:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:10:48,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 323 [2024-10-13 05:10:48,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:48,461 INFO L225 Difference]: With dead ends: 1060 [2024-10-13 05:10:48,461 INFO L226 Difference]: Without dead ends: 583 [2024-10-13 05:10:48,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:48,465 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 231 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:48,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 637 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:10:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-10-13 05:10:48,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 478. [2024-10-13 05:10:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 324 states have (on average 1.3611111111111112) internal successors, (441), 324 states have internal predecessors, (441), 150 states have call successors, (150), 3 states have call predecessors, (150), 3 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-13 05:10:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 741 transitions. [2024-10-13 05:10:48,562 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 741 transitions. Word has length 323 [2024-10-13 05:10:48,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:48,563 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 741 transitions. [2024-10-13 05:10:48,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:48,563 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 741 transitions. [2024-10-13 05:10:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-10-13 05:10:48,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:48,568 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:48,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 05:10:48,569 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:48,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:48,569 INFO L85 PathProgramCache]: Analyzing trace with hash -539494378, now seen corresponding path program 1 times [2024-10-13 05:10:48,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:48,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709504995] [2024-10-13 05:10:48,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:48,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:10:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:10:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:10:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:10:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:10:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:10:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:10:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:10:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:10:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:10:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:10:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:10:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:10:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:49,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:10:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:10:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:10:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:10:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:10:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:10:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:10:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:10:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:10:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:10:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:10:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:10:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:10:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:10:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:10:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:10:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:10:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:10:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:10:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 63 proven. 84 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:10:50,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:50,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709504995] [2024-10-13 05:10:50,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709504995] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:10:50,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944563419] [2024-10-13 05:10:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:50,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:10:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:10:50,123 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) [2024-10-13 05:10:50,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 05:10:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:50,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 05:10:50,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:10:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2443 proven. 84 refuted. 0 times theorem prover too weak. 2373 trivial. 0 not checked. [2024-10-13 05:10:51,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:10:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 63 proven. 84 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:10:51,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944563419] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:10:51,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:10:51,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 20 [2024-10-13 05:10:51,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483708201] [2024-10-13 05:10:51,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:10:51,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-13 05:10:51,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:51,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-13 05:10:51,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-10-13 05:10:51,994 INFO L87 Difference]: Start difference. First operand 478 states and 741 transitions. Second operand has 20 states, 20 states have (on average 9.6) internal successors, (192), 20 states have internal predecessors, (192), 6 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 6 states have call predecessors, (150), 6 states have call successors, (150) [2024-10-13 05:10:56,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:56,226 INFO L93 Difference]: Finished difference Result 2641 states and 4025 transitions. [2024-10-13 05:10:56,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-13 05:10:56,227 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 9.6) internal successors, (192), 20 states have internal predecessors, (192), 6 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 6 states have call predecessors, (150), 6 states have call successors, (150) Word has length 324 [2024-10-13 05:10:56,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:56,242 INFO L225 Difference]: With dead ends: 2641 [2024-10-13 05:10:56,242 INFO L226 Difference]: Without dead ends: 2164 [2024-10-13 05:10:56,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=777, Invalid=2883, Unknown=0, NotChecked=0, Total=3660 [2024-10-13 05:10:56,248 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 1726 mSDsluCounter, 2930 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 3196 SdHoareTripleChecker+Invalid, 3555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:56,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 3196 Invalid, 3555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-13 05:10:56,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2024-10-13 05:10:56,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1430. [2024-10-13 05:10:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 976 states have (on average 1.3504098360655739) internal successors, (1318), 980 states have internal predecessors, (1318), 434 states have call successors, (434), 19 states have call predecessors, (434), 19 states have return successors, (434), 430 states have call predecessors, (434), 434 states have call successors, (434) [2024-10-13 05:10:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2186 transitions. [2024-10-13 05:10:56,463 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2186 transitions. Word has length 324 [2024-10-13 05:10:56,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:56,464 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2186 transitions. [2024-10-13 05:10:56,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.6) internal successors, (192), 20 states have internal predecessors, (192), 6 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 6 states have call predecessors, (150), 6 states have call successors, (150) [2024-10-13 05:10:56,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2186 transitions. [2024-10-13 05:10:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-10-13 05:10:56,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:56,469 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:56,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 05:10:56,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-13 05:10:56,675 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:56,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:56,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1319489473, now seen corresponding path program 1 times [2024-10-13 05:10:56,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:56,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321647518] [2024-10-13 05:10:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:56,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:10:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:10:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:10:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:10:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:10:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:10:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:10:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:10:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:10:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:10:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:10:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:10:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:10:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:10:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:10:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:10:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:10:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:10:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:10:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:10:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:10:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:10:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:10:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:10:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:10:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:10:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:10:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:10:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:10:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:10:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:10:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:10:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:10:57,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:57,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321647518] [2024-10-13 05:10:57,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321647518] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:57,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:57,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:10:57,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519468167] [2024-10-13 05:10:57,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:57,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:10:57,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:57,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:10:57,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:10:57,226 INFO L87 Difference]: Start difference. First operand 1430 states and 2186 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:57,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:57,635 INFO L93 Difference]: Finished difference Result 2696 states and 4128 transitions. [2024-10-13 05:10:57,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:10:57,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 327 [2024-10-13 05:10:57,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:57,651 INFO L225 Difference]: With dead ends: 2696 [2024-10-13 05:10:57,652 INFO L226 Difference]: Without dead ends: 1432 [2024-10-13 05:10:57,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:10:57,657 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 229 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:57,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 1011 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:10:57,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-10-13 05:10:57,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2024-10-13 05:10:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 976 states have (on average 1.3452868852459017) internal successors, (1313), 980 states have internal predecessors, (1313), 434 states have call successors, (434), 19 states have call predecessors, (434), 19 states have return successors, (434), 430 states have call predecessors, (434), 434 states have call successors, (434) [2024-10-13 05:10:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2181 transitions. [2024-10-13 05:10:57,851 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2181 transitions. Word has length 327 [2024-10-13 05:10:57,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:57,853 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2181 transitions. [2024-10-13 05:10:57,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:10:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2181 transitions. [2024-10-13 05:10:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-10-13 05:10:57,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:57,857 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:57,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 05:10:57,857 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:57,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:57,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1002980823, now seen corresponding path program 1 times [2024-10-13 05:10:57,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:57,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063883601] [2024-10-13 05:10:57,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:57,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:11:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:11:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:11:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:11:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:11:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:11:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:11:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:11:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:11:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:11:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:11:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:11:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:11:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:11:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:11:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:11:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:11:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:11:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:11:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:11:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:11:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:11:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:11:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:11:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:11:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:11:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:11:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:11:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:11:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:11:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:11:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:11:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:11:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:11:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:11:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:11:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:11:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:11:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:11:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:11:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:11:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:11:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:11:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:11:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:11:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:11:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:11:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:11:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:11:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:11:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 87 proven. 60 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:11:02,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:11:02,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063883601] [2024-10-13 05:11:02,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063883601] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:11:02,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923114032] [2024-10-13 05:11:02,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:02,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:02,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:11:02,202 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) [2024-10-13 05:11:02,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 05:11:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:02,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-13 05:11:02,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:11:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 3105 proven. 249 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked. [2024-10-13 05:11:06,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:11:12,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923114032] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:11:12,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 05:11:12,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 20] total 29 [2024-10-13 05:11:12,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384691754] [2024-10-13 05:11:12,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 05:11:12,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-13 05:11:12,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:11:12,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-13 05:11:12,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1213, Unknown=0, NotChecked=0, Total=1560 [2024-10-13 05:11:12,337 INFO L87 Difference]: Start difference. First operand 1430 states and 2181 transitions. Second operand has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 27 states have internal predecessors, (180), 10 states have call successors, (100), 7 states have call predecessors, (100), 11 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) [2024-10-13 05:11:18,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:11:18,822 INFO L93 Difference]: Finished difference Result 3948 states and 5851 transitions. [2024-10-13 05:11:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-13 05:11:18,823 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 27 states have internal predecessors, (180), 10 states have call successors, (100), 7 states have call predecessors, (100), 11 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) Word has length 327 [2024-10-13 05:11:18,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:11:18,842 INFO L225 Difference]: With dead ends: 3948 [2024-10-13 05:11:18,842 INFO L226 Difference]: Without dead ends: 2519 [2024-10-13 05:11:18,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3896 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2699, Invalid=9511, Unknown=0, NotChecked=0, Total=12210 [2024-10-13 05:11:18,852 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 2851 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 3685 mSolverCounterSat, 1705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2851 SdHoareTripleChecker+Valid, 2481 SdHoareTripleChecker+Invalid, 5390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1705 IncrementalHoareTripleChecker+Valid, 3685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-13 05:11:18,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2851 Valid, 2481 Invalid, 5390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1705 Valid, 3685 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-13 05:11:18,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2024-10-13 05:11:19,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2221. [2024-10-13 05:11:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2221 states, 1533 states have (on average 1.3137638617090672) internal successors, (2014), 1541 states have internal predecessors, (2014), 642 states have call successors, (642), 45 states have call predecessors, (642), 45 states have return successors, (642), 634 states have call predecessors, (642), 642 states have call successors, (642) [2024-10-13 05:11:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 3298 transitions. [2024-10-13 05:11:19,086 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 3298 transitions. Word has length 327 [2024-10-13 05:11:19,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:11:19,087 INFO L471 AbstractCegarLoop]: Abstraction has 2221 states and 3298 transitions. [2024-10-13 05:11:19,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 27 states have internal predecessors, (180), 10 states have call successors, (100), 7 states have call predecessors, (100), 11 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) [2024-10-13 05:11:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 3298 transitions. [2024-10-13 05:11:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-13 05:11:19,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:11:19,091 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:11:19,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 05:11:19,295 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 [2024-10-13 05:11:19,296 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:11:19,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:11:19,296 INFO L85 PathProgramCache]: Analyzing trace with hash -360720154, now seen corresponding path program 1 times [2024-10-13 05:11:19,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:11:19,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563781364] [2024-10-13 05:11:19,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:19,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:11:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:11:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:11:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:11:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:11:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:11:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:11:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:11:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:11:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:11:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:11:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:11:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:11:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:11:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:11:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:11:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:11:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:11:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:11:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:11:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:11:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:11:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:11:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:11:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:11:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:11:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:11:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:11:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:11:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:11:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:11:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:11:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:11:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:11:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:11:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:11:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:11:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:11:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:11:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:11:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:11:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:11:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:11:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:11:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:11:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:11:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:11:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:11:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:19,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:11:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:11:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:11:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:11:20,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:11:20,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563781364] [2024-10-13 05:11:20,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563781364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:11:20,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:11:20,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 05:11:20,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118100194] [2024-10-13 05:11:20,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:11:20,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 05:11:20,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:11:20,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 05:11:20,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 05:11:20,022 INFO L87 Difference]: Start difference. First operand 2221 states and 3298 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:11:21,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:11:21,726 INFO L93 Difference]: Finished difference Result 4106 states and 6139 transitions. [2024-10-13 05:11:21,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 05:11:21,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 328 [2024-10-13 05:11:21,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:11:21,752 INFO L225 Difference]: With dead ends: 4106 [2024-10-13 05:11:21,752 INFO L226 Difference]: Without dead ends: 3175 [2024-10-13 05:11:21,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-13 05:11:21,761 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 723 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:11:21,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1225 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 05:11:21,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2024-10-13 05:11:22,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2533. [2024-10-13 05:11:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 1820 states have (on average 1.3379120879120878) internal successors, (2435), 1829 states have internal predecessors, (2435), 651 states have call successors, (651), 61 states have call predecessors, (651), 61 states have return successors, (651), 642 states have call predecessors, (651), 651 states have call successors, (651) [2024-10-13 05:11:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 3737 transitions. [2024-10-13 05:11:22,092 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 3737 transitions. Word has length 328 [2024-10-13 05:11:22,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:11:22,092 INFO L471 AbstractCegarLoop]: Abstraction has 2533 states and 3737 transitions. [2024-10-13 05:11:22,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:11:22,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3737 transitions. [2024-10-13 05:11:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-13 05:11:22,095 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:11:22,095 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:11:22,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 05:11:22,096 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:11:22,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:11:22,096 INFO L85 PathProgramCache]: Analyzing trace with hash -85960540, now seen corresponding path program 1 times [2024-10-13 05:11:22,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:11:22,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917193441] [2024-10-13 05:11:22,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:22,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:11:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:11:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:11:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:11:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:11:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:11:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:11:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:11:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:11:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:11:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:11:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:11:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:11:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:11:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:11:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:11:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:11:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:11:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:11:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:11:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:11:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:11:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:11:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:11:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:11:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:11:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:11:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:11:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:11:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:11:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:11:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:11:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:11:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:11:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:11:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:11:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:11:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:11:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:11:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:11:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:11:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:11:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:11:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:11:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:11:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:11:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:11:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:11:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:11:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:11:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:11:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:11:22,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:11:22,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917193441] [2024-10-13 05:11:22,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917193441] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:11:22,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:11:22,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 05:11:22,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620189717] [2024-10-13 05:11:22,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:11:22,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 05:11:22,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:11:22,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 05:11:22,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-13 05:11:22,979 INFO L87 Difference]: Start difference. First operand 2533 states and 3737 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-10-13 05:11:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:11:24,784 INFO L93 Difference]: Finished difference Result 4061 states and 6065 transitions. [2024-10-13 05:11:24,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 05:11:24,784 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 328 [2024-10-13 05:11:24,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:11:24,806 INFO L225 Difference]: With dead ends: 4061 [2024-10-13 05:11:24,806 INFO L226 Difference]: Without dead ends: 2945 [2024-10-13 05:11:24,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-10-13 05:11:24,812 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 832 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 05:11:24,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 1133 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 05:11:24,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2024-10-13 05:11:25,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2534. [2024-10-13 05:11:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 1821 states have (on average 1.3377265238879736) internal successors, (2436), 1830 states have internal predecessors, (2436), 651 states have call successors, (651), 61 states have call predecessors, (651), 61 states have return successors, (651), 642 states have call predecessors, (651), 651 states have call successors, (651) [2024-10-13 05:11:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3738 transitions. [2024-10-13 05:11:25,227 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3738 transitions. Word has length 328 [2024-10-13 05:11:25,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:11:25,228 INFO L471 AbstractCegarLoop]: Abstraction has 2534 states and 3738 transitions. [2024-10-13 05:11:25,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-10-13 05:11:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3738 transitions. [2024-10-13 05:11:25,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-13 05:11:25,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:11:25,231 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:11:25,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 05:11:25,232 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:11:25,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:11:25,232 INFO L85 PathProgramCache]: Analyzing trace with hash 54588070, now seen corresponding path program 1 times [2024-10-13 05:11:25,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:11:25,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083424769] [2024-10-13 05:11:25,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:25,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:11:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:11:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:11:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:11:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:11:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:11:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:11:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:11:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:11:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:11:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:11:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:11:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:11:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:11:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:11:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:11:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:11:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:11:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:11:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:11:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:11:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:11:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:11:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:11:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:11:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:11:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:11:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:11:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:11:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:11:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:11:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:11:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:11:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:11:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:11:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:11:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:11:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:11:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:11:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:11:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:11:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:11:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:11:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:11:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:11:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:11:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:11:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:11:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:11:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:11:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:11:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:11:25,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:11:25,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083424769] [2024-10-13 05:11:25,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083424769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:11:25,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:11:25,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 05:11:25,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083634153] [2024-10-13 05:11:25,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:11:25,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 05:11:25,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:11:25,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 05:11:25,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 05:11:25,879 INFO L87 Difference]: Start difference. First operand 2534 states and 3738 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:11:27,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:11:27,440 INFO L93 Difference]: Finished difference Result 3813 states and 5681 transitions. [2024-10-13 05:11:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 05:11:27,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 328 [2024-10-13 05:11:27,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:11:27,458 INFO L225 Difference]: With dead ends: 3813 [2024-10-13 05:11:27,459 INFO L226 Difference]: Without dead ends: 2696 [2024-10-13 05:11:27,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-13 05:11:27,464 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 594 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:11:27,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 1270 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 05:11:27,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2024-10-13 05:11:27,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2458. [2024-10-13 05:11:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 1745 states have (on average 1.3255014326647565) internal successors, (2313), 1754 states have internal predecessors, (2313), 651 states have call successors, (651), 61 states have call predecessors, (651), 61 states have return successors, (651), 642 states have call predecessors, (651), 651 states have call successors, (651) [2024-10-13 05:11:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3615 transitions. [2024-10-13 05:11:27,885 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3615 transitions. Word has length 328 [2024-10-13 05:11:27,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:11:27,886 INFO L471 AbstractCegarLoop]: Abstraction has 2458 states and 3615 transitions. [2024-10-13 05:11:27,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:11:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3615 transitions. [2024-10-13 05:11:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-13 05:11:27,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:11:27,894 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:11:27,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 05:11:27,897 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:11:27,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:11:27,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1702744482, now seen corresponding path program 1 times [2024-10-13 05:11:27,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:11:27,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495755768] [2024-10-13 05:11:27,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:27,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:11:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:11:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:11:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 05:11:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:11:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:11:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:11:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:11:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:11:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:11:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:11:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:11:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:11:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:11:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:11:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:11:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:11:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:11:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:11:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:11:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:11:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:11:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:11:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:11:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 05:11:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:11:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:11:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:11:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:11:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 05:11:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:11:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 05:11:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:11:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 05:11:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:11:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 05:11:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:11:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 05:11:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 05:11:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 05:11:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 05:11:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 05:11:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 05:11:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 05:11:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 05:11:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 05:11:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 05:11:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 05:11:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 05:11:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-13 05:11:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-13 05:11:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 21 proven. 126 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:11:28,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:11:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495755768] [2024-10-13 05:11:28,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495755768] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:11:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422928053] [2024-10-13 05:11:28,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:28,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:28,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:11:28,689 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) [2024-10-13 05:11:28,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 05:11:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:28,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 05:11:28,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:11:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2747 proven. 126 refuted. 0 times theorem prover too weak. 2027 trivial. 0 not checked. [2024-10-13 05:11:29,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:11:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 21 proven. 126 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:11:29,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422928053] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:11:29,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:11:29,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-13 05:11:29,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629608377] [2024-10-13 05:11:29,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:11:29,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 05:11:29,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:11:29,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 05:11:29,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-10-13 05:11:29,649 INFO L87 Difference]: Start difference. First operand 2458 states and 3615 transitions. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 6 states have call successors, (134), 3 states have call predecessors, (134), 5 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) [2024-10-13 05:11:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:11:30,225 INFO L93 Difference]: Finished difference Result 4101 states and 5976 transitions. [2024-10-13 05:11:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 05:11:30,226 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 6 states have call successors, (134), 3 states have call predecessors, (134), 5 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) Word has length 328 [2024-10-13 05:11:30,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:11:30,242 INFO L225 Difference]: With dead ends: 4101 [2024-10-13 05:11:30,242 INFO L226 Difference]: Without dead ends: 2459 [2024-10-13 05:11:30,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=171, Unknown=0, NotChecked=0, Total=272 [2024-10-13 05:11:30,250 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 256 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:11:30,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 483 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:11:30,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2024-10-13 05:11:30,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2371. [2024-10-13 05:11:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 1698 states have (on average 1.3056537102473498) internal successors, (2217), 1707 states have internal predecessors, (2217), 585 states have call successors, (585), 87 states have call predecessors, (585), 87 states have return successors, (585), 576 states have call predecessors, (585), 585 states have call successors, (585) [2024-10-13 05:11:30,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 3387 transitions. [2024-10-13 05:11:30,722 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 3387 transitions. Word has length 328 [2024-10-13 05:11:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:11:30,723 INFO L471 AbstractCegarLoop]: Abstraction has 2371 states and 3387 transitions. [2024-10-13 05:11:30,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 6 states have call successors, (134), 3 states have call predecessors, (134), 5 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) [2024-10-13 05:11:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 3387 transitions. [2024-10-13 05:11:30,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-13 05:11:30,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:11:30,727 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:11:30,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 05:11:30,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:30,932 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:11:30,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:11:30,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2079927174, now seen corresponding path program 1 times [2024-10-13 05:11:30,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:11:30,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796961189] [2024-10-13 05:11:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:30,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:11:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 05:11:31,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826167258] [2024-10-13 05:11:31,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:31,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:31,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:11:31,368 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) [2024-10-13 05:11:31,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 05:11:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:31,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 05:11:31,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:11:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1947 proven. 108 refuted. 0 times theorem prover too weak. 2845 trivial. 0 not checked. [2024-10-13 05:11:32,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:11:32,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:11:32,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796961189] [2024-10-13 05:11:32,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 05:11:32,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826167258] [2024-10-13 05:11:32,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826167258] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:11:32,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 05:11:32,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 05:11:32,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973157412] [2024-10-13 05:11:32,982 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 05:11:32,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 05:11:32,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:11:32,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 05:11:32,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 05:11:32,984 INFO L87 Difference]: Start difference. First operand 2371 states and 3387 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:11:33,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:11:33,837 INFO L93 Difference]: Finished difference Result 4771 states and 6797 transitions. [2024-10-13 05:11:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 05:11:33,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 328 [2024-10-13 05:11:33,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:11:33,853 INFO L225 Difference]: With dead ends: 4771 [2024-10-13 05:11:33,854 INFO L226 Difference]: Without dead ends: 2401 [2024-10-13 05:11:33,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-10-13 05:11:33,863 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 222 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:11:33,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1063 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 05:11:33,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2024-10-13 05:11:34,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2387. [2024-10-13 05:11:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1710 states have (on average 1.3011695906432748) internal successors, (2225), 1719 states have internal predecessors, (2225), 585 states have call successors, (585), 91 states have call predecessors, (585), 91 states have return successors, (585), 576 states have call predecessors, (585), 585 states have call successors, (585) [2024-10-13 05:11:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3395 transitions. [2024-10-13 05:11:34,326 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3395 transitions. Word has length 328 [2024-10-13 05:11:34,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:11:34,327 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3395 transitions. [2024-10-13 05:11:34,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:11:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3395 transitions. [2024-10-13 05:11:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-13 05:11:34,330 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:11:34,330 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:11:34,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 05:11:34,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:34,532 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:11:34,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:11:34,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1861072456, now seen corresponding path program 1 times [2024-10-13 05:11:34,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:11:34,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923988138] [2024-10-13 05:11:34,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:34,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms