./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_fillercode_fillercodestructure_filler-ps-cn_file-10.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_fillercode_fillercodestructure_filler-ps-cn_file-10.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 046473fab28f9389ecc0d44699a462777c1ef1278031560923e70e589643d659 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:49:31,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:49:31,544 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:49:31,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:49:31,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:49:31,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:49:31,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:49:31,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:49:31,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:49:31,596 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:49:31,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:49:31,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:49:31,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:49:31,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:49:31,599 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:49:31,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:49:31,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:49:31,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:49:31,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:49:31,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:49:31,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:49:31,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:49:31,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:49:31,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:49:31,605 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:49:31,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:49:31,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:49:31,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:49:31,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:49:31,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:49:31,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:49:31,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:49:31,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:49:31,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:49:31,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:49:31,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:49:31,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:49:31,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:49:31,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:49:31,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:49:31,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:49:31,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:49:31,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 046473fab28f9389ecc0d44699a462777c1ef1278031560923e70e589643d659 [2024-10-13 02:49:31,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:49:31,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:49:31,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:49:31,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:49:31,863 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:49:31,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-10.i [2024-10-13 02:49:33,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:49:33,556 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:49:33,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-10.i [2024-10-13 02:49:33,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd07c6c83/3313bd888301467db03b41c032cb3987/FLAG2d19b0914 [2024-10-13 02:49:33,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd07c6c83/3313bd888301467db03b41c032cb3987 [2024-10-13 02:49:33,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:49:33,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:49:33,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:49:33,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:49:33,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:49:33,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:33,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4e4a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33, skipping insertion in model container [2024-10-13 02:49:33,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:33,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:49:33,808 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_fillercode_fillercodestructure_filler-ps-cn_file-10.i[919,932] [2024-10-13 02:49:33,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:49:33,907 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:49:33,918 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_fillercode_fillercodestructure_filler-ps-cn_file-10.i[919,932] [2024-10-13 02:49:33,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:49:33,970 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:49:33,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33 WrapperNode [2024-10-13 02:49:33,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:49:33,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:49:33,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:49:33,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:49:33,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,064 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2024-10-13 02:49:34,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:49:34,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:49:34,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:49:34,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:49:34,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,117 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 02:49:34,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:49:34,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:49:34,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:49:34,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:49:34,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (1/1) ... [2024-10-13 02:49:34,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:49:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:49:34,217 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 02:49:34,227 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 02:49:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:49:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:49:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:49:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:49:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:49:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:49:34,385 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:49:34,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:49:34,891 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-13 02:49:34,892 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:49:34,924 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:49:34,924 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:49:34,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:49:34 BoogieIcfgContainer [2024-10-13 02:49:34,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:49:34,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:49:34,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:49:34,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:49:34,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:49:33" (1/3) ... [2024-10-13 02:49:34,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cc3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:49:34, skipping insertion in model container [2024-10-13 02:49:34,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:49:33" (2/3) ... [2024-10-13 02:49:34,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cc3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:49:34, skipping insertion in model container [2024-10-13 02:49:34,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:49:34" (3/3) ... [2024-10-13 02:49:34,932 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-10.i [2024-10-13 02:49:34,947 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:49:34,947 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:49:35,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:49:35,011 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;@773ba058, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:49:35,012 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:49:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 92 states have internal predecessors, (131), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-13 02:49:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-13 02:49:35,034 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:49:35,035 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:35,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:49:35,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:49:35,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2129852944, now seen corresponding path program 1 times [2024-10-13 02:49:35,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:49:35,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204255514] [2024-10-13 02:49:35,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:49:35,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:49:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:49:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:49:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:49:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:49:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:49:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:49:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:49:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:49:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:49:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:49:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:49:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:49:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:49:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:49:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:49:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:49:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:49:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:49:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:49:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:49:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:49:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:49:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:49:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:49:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:49:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:49:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:49:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:49:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:49:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 02:49:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:49:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 02:49:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 02:49:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 02:49:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 02:49:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 02:49:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 02:49:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 02:49:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 02:49:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 02:49:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 02:49:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 02:49:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 02:49:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 02:49:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 02:49:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 02:49:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 02:49:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:49:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:49:35,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:49:35,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204255514] [2024-10-13 02:49:35,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204255514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:49:35,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:49:35,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:49:35,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710813975] [2024-10-13 02:49:35,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:49:35,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:49:35,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:49:35,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:49:35,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:49:35,702 INFO L87 Difference]: Start difference. First operand has 142 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 92 states have internal predecessors, (131), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 02:49:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:49:35,829 INFO L93 Difference]: Finished difference Result 281 states and 500 transitions. [2024-10-13 02:49:35,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:49:35,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 292 [2024-10-13 02:49:35,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:49:35,851 INFO L225 Difference]: With dead ends: 281 [2024-10-13 02:49:35,851 INFO L226 Difference]: Without dead ends: 140 [2024-10-13 02:49:35,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 02:49:35,861 INFO L432 NwaCegarLoop]: 219 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, 219 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 02:49:35,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:49:35,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-13 02:49:35,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-13 02:49:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-13 02:49:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 222 transitions. [2024-10-13 02:49:35,932 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 222 transitions. Word has length 292 [2024-10-13 02:49:35,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:49:35,934 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 222 transitions. [2024-10-13 02:49:35,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 02:49:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 222 transitions. [2024-10-13 02:49:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-13 02:49:35,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:49:35,947 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:35,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:49:35,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:49:35,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:49:35,948 INFO L85 PathProgramCache]: Analyzing trace with hash -708999176, now seen corresponding path program 1 times [2024-10-13 02:49:35,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:49:35,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547543706] [2024-10-13 02:49:35,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:49:35,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:49:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:49:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:49:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:49:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:49:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:49:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:49:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:49:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:49:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:49:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:49:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:49:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:49:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:49:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:49:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:49:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:49:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:49:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:49:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:49:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:49:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:49:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:49:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:49:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:49:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:49:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:49:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:49:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:49:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:49:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 02:49:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:49:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 02:49:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 02:49:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 02:49:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 02:49:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 02:49:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 02:49:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 02:49:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 02:49:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 02:49:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 02:49:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 02:49:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 02:49:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 02:49:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 02:49:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 02:49:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 02:49:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:49:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:49:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:49:36,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:49:36,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547543706] [2024-10-13 02:49:36,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547543706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:49:36,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:49:36,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:49:36,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933465660] [2024-10-13 02:49:36,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:49:36,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:49:36,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:49:36,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:49:36,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:49:36,677 INFO L87 Difference]: Start difference. First operand 140 states and 222 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:49:36,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:49:36,890 INFO L93 Difference]: Finished difference Result 419 states and 665 transitions. [2024-10-13 02:49:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:49:36,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 292 [2024-10-13 02:49:36,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:49:36,897 INFO L225 Difference]: With dead ends: 419 [2024-10-13 02:49:36,897 INFO L226 Difference]: Without dead ends: 280 [2024-10-13 02:49:36,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:49:36,899 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 169 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:49:36,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 644 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:49:36,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-13 02:49:36,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 247. [2024-10-13 02:49:36,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 148 states have (on average 1.3716216216216217) internal successors, (203), 148 states have internal predecessors, (203), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:49:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 395 transitions. [2024-10-13 02:49:36,931 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 395 transitions. Word has length 292 [2024-10-13 02:49:36,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:49:36,932 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 395 transitions. [2024-10-13 02:49:36,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:49:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 395 transitions. [2024-10-13 02:49:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-13 02:49:36,935 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:49:36,936 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:36,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:49:36,936 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:49:36,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:49:36,937 INFO L85 PathProgramCache]: Analyzing trace with hash -545372964, now seen corresponding path program 1 times [2024-10-13 02:49:36,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:49:36,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065732120] [2024-10-13 02:49:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:49:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:49:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:50:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:50:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:50:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:50:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:50:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:50:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:50:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:50:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:50:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:50:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:50:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:50:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:50:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:50:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:50:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:50:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:50:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:50:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:50:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:50:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:50:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:50:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:50:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:50:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:50:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:50:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:50:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:50:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:50:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 02:50:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:50:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 02:50:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 02:50:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 02:50:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 02:50:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 02:50:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 02:50:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 02:50:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 02:50:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 02:50:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 02:50:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 02:50:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 02:50:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 02:50:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 02:50:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:32,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 02:50:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:33,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 02:50:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:50:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:50:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:50:33,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:50:33,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065732120] [2024-10-13 02:50:33,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065732120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:50:33,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:50:33,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 02:50:33,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691337241] [2024-10-13 02:50:33,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:50:33,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 02:50:33,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:50:33,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 02:50:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:50:33,026 INFO L87 Difference]: Start difference. First operand 247 states and 395 transitions. Second operand has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-10-13 02:50:36,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:50:36,581 INFO L93 Difference]: Finished difference Result 661 states and 1013 transitions. [2024-10-13 02:50:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 02:50:36,582 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 293 [2024-10-13 02:50:36,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:50:36,596 INFO L225 Difference]: With dead ends: 661 [2024-10-13 02:50:36,596 INFO L226 Difference]: Without dead ends: 522 [2024-10-13 02:50:36,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2024-10-13 02:50:36,604 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 805 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-13 02:50:36,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1539 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-13 02:50:36,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-10-13 02:50:36,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 396. [2024-10-13 02:50:36,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 244 states have internal predecessors, (321), 144 states have call successors, (144), 8 states have call predecessors, (144), 8 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-13 02:50:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 609 transitions. [2024-10-13 02:50:36,706 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 609 transitions. Word has length 293 [2024-10-13 02:50:36,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:50:36,708 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 609 transitions. [2024-10-13 02:50:36,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-10-13 02:50:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 609 transitions. [2024-10-13 02:50:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-13 02:50:36,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:50:36,713 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:36,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:50:36,714 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:50:36,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:50:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash 155691614, now seen corresponding path program 1 times [2024-10-13 02:50:36,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:50:36,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265032452] [2024-10-13 02:50:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:50:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:50:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:51:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:51:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:51:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:51:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:51:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:51:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:51:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:51:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:51:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:51:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:51:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:51:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:51:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:51:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:51:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:51:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:51:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:51:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:51:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:51:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 02:51:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 02:51:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 02:51:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 02:51:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 02:51:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 02:51:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 02:51:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 02:51:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 02:51:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 02:51:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:51:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 02:51:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 02:51:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 02:51:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 02:51:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 02:51:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 02:51:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 02:51:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 02:51:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 02:51:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 02:51:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 02:51:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 02:51:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 02:51:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 02:51:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 02:51:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 02:51:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:51:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:51:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:51:00,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:51:00,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265032452] [2024-10-13 02:51:00,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265032452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:51:00,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:51:00,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-10-13 02:51:00,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810883545] [2024-10-13 02:51:00,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:51:00,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 02:51:00,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:51:00,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 02:51:00,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-10-13 02:51:00,534 INFO L87 Difference]: Start difference. First operand 396 states and 609 transitions. Second operand has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48)