./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.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 0cf2f240a207b9fd94ff47176fc66686eff0a1305e9376e15a89fac66684ae53 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:40:49,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:40:49,634 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:40:49,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:40:49,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:40:49,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:40:49,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:40:49,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:40:49,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:40:49,677 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:40:49,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:40:49,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:40:49,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:40:49,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:40:49,679 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:40:49,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:40:49,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:40:49,680 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:40:49,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:40:49,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:40:49,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:40:49,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:40:49,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:40:49,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:40:49,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:40:49,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:40:49,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:40:49,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:40:49,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:40:49,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:40:49,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:40:49,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:40:49,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:40:49,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:40:49,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:40:49,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:40:49,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:40:49,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:40:49,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:40:49,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:40:49,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:40:49,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:40:49,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cf2f240a207b9fd94ff47176fc66686eff0a1305e9376e15a89fac66684ae53 [2024-11-09 00:40:49,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:40:49,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:40:49,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:40:49,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:40:49,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:40:49,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i [2024-11-09 00:40:51,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:40:51,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:40:51,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i [2024-11-09 00:40:51,811 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e01e6c6/e903724c95d748138432ea84f7284b1a/FLAG8143d57ed [2024-11-09 00:40:51,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e01e6c6/e903724c95d748138432ea84f7284b1a [2024-11-09 00:40:51,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:40:51,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:40:51,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:51,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:40:51,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:40:51,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:51" (1/1) ... [2024-11-09 00:40:51,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251545e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:51, skipping insertion in model container [2024-11-09 00:40:51,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:51" (1/1) ... [2024-11-09 00:40:51,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:40:52,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i[916,929] [2024-11-09 00:40:52,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:52,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:40:52,297 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-54.i[916,929] [2024-11-09 00:40:52,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:52,395 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:40:52,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52 WrapperNode [2024-11-09 00:40:52,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:52,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:52,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:40:52,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:40:52,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,577 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2024-11-09 00:40:52,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:52,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:40:52,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:40:52,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:40:52,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,675 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:40:52,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:40:52,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:40:52,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:40:52,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:40:52,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (1/1) ... [2024-11-09 00:40:52,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:40:52,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:52,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:40:52,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:40:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:40:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:40:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:40:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:40:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:40:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:40:52,946 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:40:52,948 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:40:53,856 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-09 00:40:53,857 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:40:53,879 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:40:53,881 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:40:53,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:53 BoogieIcfgContainer [2024-11-09 00:40:53,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:40:53,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:40:53,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:40:53,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:40:53,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:40:51" (1/3) ... [2024-11-09 00:40:53,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ef4d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:40:53, skipping insertion in model container [2024-11-09 00:40:53,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:52" (2/3) ... [2024-11-09 00:40:53,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ef4d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:40:53, skipping insertion in model container [2024-11-09 00:40:53,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:40:53" (3/3) ... [2024-11-09 00:40:53,892 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-54.i [2024-11-09 00:40:53,908 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:40:53,909 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:40:53,991 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:40:53,998 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;@37c69155, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:40:53,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:40:54,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 113 states have (on average 1.4955752212389382) internal successors, (169), 114 states have internal predecessors, (169), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-09 00:40:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2024-11-09 00:40:54,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:54,041 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:54,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:54,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:54,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1620481780, now seen corresponding path program 1 times [2024-11-09 00:40:54,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:54,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764613052] [2024-11-09 00:40:54,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:54,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:40:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:40:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:40:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:40:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:40:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 00:40:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:40:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 00:40:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 00:40:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 00:40:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 00:40:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 00:40:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 00:40:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:40:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:40:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:40:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:40:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:40:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:40:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:40:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:40:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:40:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:40:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 00:40:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 00:40:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 00:40:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 00:40:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-09 00:40:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 00:40:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:40:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:40:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-09 00:40:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 00:40:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-09 00:40:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 00:40:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-09 00:40:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-09 00:40:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-09 00:40:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-09 00:40:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-09 00:40:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-09 00:40:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-09 00:40:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-09 00:40:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-09 00:40:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-11-09 00:40:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-09 00:40:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-11-09 00:40:54,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:54,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764613052] [2024-11-09 00:40:54,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764613052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:54,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:54,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:40:54,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14934310] [2024-11-09 00:40:54,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:54,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:40:54,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:54,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:40:54,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:40:54,938 INFO L87 Difference]: Start difference. First operand has 182 states, 113 states have (on average 1.4955752212389382) internal successors, (169), 114 states have internal predecessors, (169), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) 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, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-11-09 00:40:55,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:55,002 INFO L93 Difference]: Finished difference Result 357 states and 662 transitions. [2024-11-09 00:40:55,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:40:55,005 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, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) Word has length 403 [2024-11-09 00:40:55,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:55,041 INFO L225 Difference]: With dead ends: 357 [2024-11-09 00:40:55,042 INFO L226 Difference]: Without dead ends: 178 [2024-11-09 00:40:55,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:40:55,051 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:55,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:40:55,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-09 00:40:55,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-09 00:40:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 110 states have (on average 1.4636363636363636) internal successors, (161), 110 states have internal predecessors, (161), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-09 00:40:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 293 transitions. [2024-11-09 00:40:55,136 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 293 transitions. Word has length 403 [2024-11-09 00:40:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:55,137 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 293 transitions. [2024-11-09 00:40:55,140 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, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-11-09 00:40:55,140 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 293 transitions. [2024-11-09 00:40:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2024-11-09 00:40:55,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:55,155 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:40:55,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:55,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:55,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1025857852, now seen corresponding path program 1 times [2024-11-09 00:40:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:55,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019225582] [2024-11-09 00:40:55,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:40:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:40:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:40:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:40:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:40:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 00:40:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:40:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 00:40:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 00:40:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 00:40:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 00:40:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 00:40:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 00:40:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:40:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:40:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:40:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:40:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:40:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:40:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:40:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:40:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:40:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:40:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 00:40:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 00:40:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 00:40:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 00:40:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-09 00:40:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 00:40:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:40:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:40:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-09 00:40:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 00:40:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-09 00:40:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 00:40:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-09 00:40:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-09 00:40:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-09 00:40:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-09 00:40:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-09 00:40:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-09 00:40:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-09 00:40:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-09 00:40:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-09 00:40:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-11-09 00:40:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-09 00:40:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-11-09 00:40:55,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:55,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019225582] [2024-11-09 00:40:55,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019225582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:40:55,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:40:55,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:40:55,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144839334] [2024-11-09 00:40:55,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:40:55,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:40:55,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:40:55,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:40:55,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:40:55,713 INFO L87 Difference]: Start difference. First operand 178 states and 293 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, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-11-09 00:40:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:40:55,829 INFO L93 Difference]: Finished difference Result 436 states and 718 transitions. [2024-11-09 00:40:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:40:55,831 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, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 403 [2024-11-09 00:40:55,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:40:55,836 INFO L225 Difference]: With dead ends: 436 [2024-11-09 00:40:55,836 INFO L226 Difference]: Without dead ends: 261 [2024-11-09 00:40:55,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:40:55,839 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 135 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:40:55,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 574 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:40:55,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-09 00:40:55,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 258. [2024-11-09 00:40:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 175 states have (on average 1.497142857142857) internal successors, (262), 176 states have internal predecessors, (262), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-09 00:40:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 422 transitions. [2024-11-09 00:40:55,912 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 422 transitions. Word has length 403 [2024-11-09 00:40:55,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:40:55,913 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 422 transitions. [2024-11-09 00:40:55,914 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, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-11-09 00:40:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 422 transitions. [2024-11-09 00:40:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-09 00:40:55,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:40:55,920 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:40:55,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:40:55,921 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:40:55,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:40:55,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2117375696, now seen corresponding path program 1 times [2024-11-09 00:40:55,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:40:55,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389980533] [2024-11-09 00:40:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:55,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:40:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:40:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:40:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:40:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:40:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:40:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 00:40:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:40:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 00:40:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 00:40:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 00:40:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 00:40:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 00:40:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 00:40:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 00:40:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 00:40:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 00:40:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 00:40:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 00:40:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 00:40:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 00:40:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 00:40:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 00:40:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 00:40:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 00:40:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 00:40:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 00:40:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 00:40:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 00:40:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 00:40:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 00:40:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 00:40:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-09 00:40:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-09 00:40:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-09 00:40:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-09 00:40:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 00:40:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 00:40:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 00:40:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-09 00:40:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-09 00:40:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 00:40:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:40:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:40:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-09 00:40:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 00:40:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-09 00:40:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 00:40:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-09 00:40:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 00:40:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 00:40:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-09 00:40:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-09 00:40:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-09 00:40:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 00:40:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-09 00:40:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-09 00:40:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-09 00:40:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-09 00:40:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-09 00:40:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-09 00:40:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-09 00:40:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-09 00:40:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-09 00:40:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-11-09 00:40:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-09 00:40:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 6 proven. 189 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2024-11-09 00:40:58,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:40:58,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389980533] [2024-11-09 00:40:58,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389980533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:40:58,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288606682] [2024-11-09 00:40:58,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:40:58,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:40:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:40:58,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:40:58,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:40:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:59,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:40:59,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 4400 proven. 234 refuted. 0 times theorem prover too weak. 3946 trivial. 0 not checked. [2024-11-09 00:41:00,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:41:55,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288606682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:41:55,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 00:41:55,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13] total 14 [2024-11-09 00:41:55,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747172609] [2024-11-09 00:41:55,919 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 00:41:55,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 00:41:55,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:41:55,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 00:41:55,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=283, Unknown=19, NotChecked=0, Total=380 [2024-11-09 00:41:55,923 INFO L87 Difference]: Start difference. First operand 258 states and 422 transitions. Second operand has 14 states, 14 states have (on average 10.428571428571429) internal successors, (146), 14 states have internal predecessors, (146), 4 states have call successors, (129), 3 states have call predecessors, (129), 5 states have return successors, (130), 4 states have call predecessors, (130), 4 states have call successors, (130)