./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.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_loopvsstraightlinecode_100-1loop_file-59.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 18f661507baa99a6860677d13bda352b5068a9ab896ed00822695643614eba74 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:21:52,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:21:52,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:21:52,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:21:52,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:21:52,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:21:52,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:21:52,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:21:52,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:21:52,819 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:21:52,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:21:52,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:21:52,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:21:52,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:21:52,823 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:21:52,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:21:52,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:21:52,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:21:52,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:21:52,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:21:52,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:21:52,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:21:52,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:21:52,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:21:52,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:21:52,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:21:52,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:21:52,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:21:52,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:21:52,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:21:52,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:21:52,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:21:52,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:21:52,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:21:52,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:21:52,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:21:52,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:21:52,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:21:52,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:21:52,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:21:52,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:21:52,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:21:52,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18f661507baa99a6860677d13bda352b5068a9ab896ed00822695643614eba74 [2024-11-08 23:21:53,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:21:53,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:21:53,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:21:53,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:21:53,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:21:53,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.i [2024-11-08 23:21:54,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:21:54,567 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:21:54,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.i [2024-11-08 23:21:54,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6927b51f2/ff783be9de5e4cef8c98151cbb3b7edb/FLAGddfb9558b [2024-11-08 23:21:54,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6927b51f2/ff783be9de5e4cef8c98151cbb3b7edb [2024-11-08 23:21:54,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:21:54,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:21:54,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:54,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:21:54,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:21:54,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:54,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78eb153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54, skipping insertion in model container [2024-11-08 23:21:54,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:54,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:21:54,821 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.i[916,929] [2024-11-08 23:21:54,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:54,892 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:21:54,901 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-59.i[916,929] [2024-11-08 23:21:54,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:54,959 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:21:54,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54 WrapperNode [2024-11-08 23:21:54,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:54,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:54,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:21:54,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:21:54,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:54,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,022 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 262 [2024-11-08 23:21:55,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:55,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:21:55,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:21:55,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:21:55,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,075 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]. [2024-11-08 23:21:55,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:21:55,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:21:55,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:21:55,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:21:55,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (1/1) ... [2024-11-08 23:21:55,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:21:55,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:21:55,159 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) [2024-11-08 23:21:55,161 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 [2024-11-08 23:21:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:21:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:21:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:21:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:21:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:21:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:21:55,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:21:55,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:21:55,795 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-08 23:21:55,796 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:21:55,811 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:21:55,812 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:21:55,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:55 BoogieIcfgContainer [2024-11-08 23:21:55,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:21:55,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:21:55,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:21:55,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:21:55,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:21:54" (1/3) ... [2024-11-08 23:21:55,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c383f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:21:55, skipping insertion in model container [2024-11-08 23:21:55,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:54" (2/3) ... [2024-11-08 23:21:55,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c383f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:21:55, skipping insertion in model container [2024-11-08 23:21:55,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:55" (3/3) ... [2024-11-08 23:21:55,821 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-59.i [2024-11-08 23:21:55,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:21:55,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:21:55,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:21:55,909 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;@4612174c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:21:55,909 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:21:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 87 states have (on average 1.5172413793103448) internal successors, (132), 88 states have internal predecessors, (132), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 23:21:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 23:21:55,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:21:55,927 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:21:55,928 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:21:55,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash 207525836, now seen corresponding path program 1 times [2024-11-08 23:21:55,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:21:55,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978042299] [2024-11-08 23:21:55,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:21:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:21:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:21:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:21:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:21:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:21:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:21:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:21:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:21:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:21:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:21:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:21:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:21:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:21:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:21:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:21:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:21:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:21:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:21:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:21:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:21:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:21:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:21:56,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:21:56,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978042299] [2024-11-08 23:21:56,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978042299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:21:56,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:21:56,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:21:56,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673747202] [2024-11-08 23:21:56,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:21:56,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:21:56,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:21:56,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:21:56,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:21:56,395 INFO L87 Difference]: Start difference. First operand has 111 states, 87 states have (on average 1.5172413793103448) internal successors, (132), 88 states have internal predecessors, (132), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 23:21:56,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:21:56,483 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2024-11-08 23:21:56,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:21:56,485 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 148 [2024-11-08 23:21:56,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:21:56,498 INFO L225 Difference]: With dead ends: 219 [2024-11-08 23:21:56,499 INFO L226 Difference]: Without dead ends: 107 [2024-11-08 23:21:56,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:21:56,504 INFO L432 NwaCegarLoop]: 170 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, 170 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 [2024-11-08 23:21:56,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:21:56,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-08 23:21:56,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-08 23:21:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 84 states have internal predecessors, (124), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 23:21:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 166 transitions. [2024-11-08 23:21:56,546 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 166 transitions. Word has length 148 [2024-11-08 23:21:56,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:21:56,547 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 166 transitions. [2024-11-08 23:21:56,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 23:21:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 166 transitions. [2024-11-08 23:21:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 23:21:56,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:21:56,549 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:21:56,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 23:21:56,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:21:56,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash -450735086, now seen corresponding path program 1 times [2024-11-08 23:21:56,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:21:56,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094381881] [2024-11-08 23:21:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:21:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:21:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:21:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:21:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:21:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:21:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:21:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:21:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:21:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:21:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:21:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:21:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:21:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:21:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:21:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:21:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:21:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:21:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:21:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:21:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:21:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:21:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:21:56,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:21:56,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094381881] [2024-11-08 23:21:56,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094381881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:21:56,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:21:56,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 23:21:56,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542584312] [2024-11-08 23:21:56,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:21:56,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 23:21:56,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:21:56,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 23:21:56,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:21:56,816 INFO L87 Difference]: Start difference. First operand 107 states and 166 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:56,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:21:56,918 INFO L93 Difference]: Finished difference Result 312 states and 486 transitions. [2024-11-08 23:21:56,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 23:21:56,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 148 [2024-11-08 23:21:56,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:21:56,921 INFO L225 Difference]: With dead ends: 312 [2024-11-08 23:21:56,921 INFO L226 Difference]: Without dead ends: 208 [2024-11-08 23:21:56,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:21:56,923 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 147 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:21:56,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 388 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:21:56,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-08 23:21:56,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2024-11-08 23:21:56,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 161 states have (on average 1.4472049689440993) internal successors, (233), 161 states have internal predecessors, (233), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 23:21:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 317 transitions. [2024-11-08 23:21:56,959 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 317 transitions. Word has length 148 [2024-11-08 23:21:56,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:21:56,959 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 317 transitions. [2024-11-08 23:21:56,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 317 transitions. [2024-11-08 23:21:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 23:21:56,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:21:56,962 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:21:56,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 23:21:56,962 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:21:56,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:56,962 INFO L85 PathProgramCache]: Analyzing trace with hash -316721580, now seen corresponding path program 1 times [2024-11-08 23:21:56,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:21:56,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504037578] [2024-11-08 23:21:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:21:56,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:21:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:21:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:21:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:21:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:21:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:21:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:21:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:21:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:21:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:21:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:21:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:21:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:21:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:21:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:21:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:21:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:21:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:21:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:21:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:21:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:21:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:21:57,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:21:57,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504037578] [2024-11-08 23:21:57,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504037578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:21:57,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:21:57,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 23:21:57,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717513570] [2024-11-08 23:21:57,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:21:57,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 23:21:57,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:21:57,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 23:21:57,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:21:57,150 INFO L87 Difference]: Start difference. First operand 206 states and 317 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:57,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:21:57,234 INFO L93 Difference]: Finished difference Result 412 states and 634 transitions. [2024-11-08 23:21:57,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 23:21:57,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 148 [2024-11-08 23:21:57,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:21:57,237 INFO L225 Difference]: With dead ends: 412 [2024-11-08 23:21:57,237 INFO L226 Difference]: Without dead ends: 209 [2024-11-08 23:21:57,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:21:57,239 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 145 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:21:57,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 357 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:21:57,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-08 23:21:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2024-11-08 23:21:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 162 states have (on average 1.4074074074074074) internal successors, (228), 162 states have internal predecessors, (228), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 23:21:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 312 transitions. [2024-11-08 23:21:57,264 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 312 transitions. Word has length 148 [2024-11-08 23:21:57,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:21:57,265 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 312 transitions. [2024-11-08 23:21:57,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 312 transitions. [2024-11-08 23:21:57,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 23:21:57,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:21:57,267 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:21:57,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 23:21:57,267 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:21:57,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:57,268 INFO L85 PathProgramCache]: Analyzing trace with hash 838002468, now seen corresponding path program 1 times [2024-11-08 23:21:57,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:21:57,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899292383] [2024-11-08 23:21:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:21:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:21:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:21:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:21:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:21:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:21:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:21:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:21:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:21:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:21:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:21:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:21:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:21:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:21:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:21:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:21:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:21:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:21:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:21:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:21:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:21:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:21:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:21:57,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:21:57,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899292383] [2024-11-08 23:21:57,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899292383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:21:57,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:21:57,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 23:21:57,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122841398] [2024-11-08 23:21:57,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:21:57,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 23:21:57,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:21:57,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 23:21:57,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:21:57,492 INFO L87 Difference]: Start difference. First operand 207 states and 312 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:57,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:21:57,558 INFO L93 Difference]: Finished difference Result 411 states and 621 transitions. [2024-11-08 23:21:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 23:21:57,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 149 [2024-11-08 23:21:57,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:21:57,561 INFO L225 Difference]: With dead ends: 411 [2024-11-08 23:21:57,561 INFO L226 Difference]: Without dead ends: 207 [2024-11-08 23:21:57,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:21:57,565 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 2 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:21:57,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 291 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:21:57,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-08 23:21:57,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-08 23:21:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 162 states have (on average 1.3950617283950617) internal successors, (226), 162 states have internal predecessors, (226), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 23:21:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 310 transitions. [2024-11-08 23:21:57,590 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 310 transitions. Word has length 149 [2024-11-08 23:21:57,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:21:57,591 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 310 transitions. [2024-11-08 23:21:57,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:57,592 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2024-11-08 23:21:57,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 23:21:57,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:21:57,595 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:21:57,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 23:21:57,596 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:21:57,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:57,596 INFO L85 PathProgramCache]: Analyzing trace with hash 156290827, now seen corresponding path program 1 times [2024-11-08 23:21:57,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:21:57,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275754280] [2024-11-08 23:21:57,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:21:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:21:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:21:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:21:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:21:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:21:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:21:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:21:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:21:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:21:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:21:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:21:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:21:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:21:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:21:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:21:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:21:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:21:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:21:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:21:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:21:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:21:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:21:57,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:21:57,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275754280] [2024-11-08 23:21:57,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275754280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:21:57,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:21:57,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:21:57,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126884167] [2024-11-08 23:21:57,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:21:57,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:21:57,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:21:57,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:21:57,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:21:57,872 INFO L87 Difference]: Start difference. First operand 207 states and 310 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:57,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:21:57,903 INFO L93 Difference]: Finished difference Result 415 states and 623 transitions. [2024-11-08 23:21:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:21:57,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2024-11-08 23:21:57,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:21:57,906 INFO L225 Difference]: With dead ends: 415 [2024-11-08 23:21:57,906 INFO L226 Difference]: Without dead ends: 211 [2024-11-08 23:21:57,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:21:57,908 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:21:57,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 475 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:21:57,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-08 23:21:57,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-11-08 23:21:57,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 166 states have (on average 1.3855421686746987) internal successors, (230), 166 states have internal predecessors, (230), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 23:21:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 314 transitions. [2024-11-08 23:21:57,925 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 314 transitions. Word has length 150 [2024-11-08 23:21:57,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:21:57,925 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 314 transitions. [2024-11-08 23:21:57,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 314 transitions. [2024-11-08 23:21:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 23:21:57,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:21:57,927 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:21:57,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 23:21:57,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:21:57,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:57,928 INFO L85 PathProgramCache]: Analyzing trace with hash 836349197, now seen corresponding path program 1 times [2024-11-08 23:21:57,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:21:57,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617965223] [2024-11-08 23:21:57,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:21:57,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:21:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:21:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:21:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:21:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:21:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:21:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:21:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:21:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:21:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:21:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:21:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:21:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:21:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:21:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:21:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:21:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:21:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:21:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:21:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:21:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:21:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:21:58,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:21:58,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617965223] [2024-11-08 23:21:58,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617965223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:21:58,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:21:58,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:21:58,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645337398] [2024-11-08 23:21:58,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:21:58,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:21:58,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:21:58,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:21:58,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:21:58,771 INFO L87 Difference]: Start difference. First operand 211 states and 314 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:59,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:21:59,065 INFO L93 Difference]: Finished difference Result 549 states and 816 transitions. [2024-11-08 23:21:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:21:59,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2024-11-08 23:21:59,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:21:59,068 INFO L225 Difference]: With dead ends: 549 [2024-11-08 23:21:59,068 INFO L226 Difference]: Without dead ends: 341 [2024-11-08 23:21:59,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:21:59,071 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 79 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:21:59,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 328 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 23:21:59,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-08 23:21:59,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 287. [2024-11-08 23:21:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 242 states have (on average 1.421487603305785) internal successors, (344), 242 states have internal predecessors, (344), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 23:21:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 428 transitions. [2024-11-08 23:21:59,094 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 428 transitions. Word has length 150 [2024-11-08 23:21:59,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:21:59,095 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 428 transitions. [2024-11-08 23:21:59,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 428 transitions. [2024-11-08 23:21:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 23:21:59,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:21:59,099 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:21:59,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 23:21:59,099 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:21:59,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:59,100 INFO L85 PathProgramCache]: Analyzing trace with hash 326876107, now seen corresponding path program 1 times [2024-11-08 23:21:59,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:21:59,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415564647] [2024-11-08 23:21:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:21:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:21:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:21:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:21:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:21:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:21:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:21:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:21:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:21:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:21:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:21:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:21:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:21:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:21:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:21:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:21:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:21:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:21:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:21:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:21:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:21:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:21:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:21:59,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:21:59,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415564647] [2024-11-08 23:21:59,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415564647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:21:59,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:21:59,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:21:59,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636628126] [2024-11-08 23:21:59,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:21:59,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:21:59,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:21:59,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:21:59,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:21:59,364 INFO L87 Difference]: Start difference. First operand 287 states and 428 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:59,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:21:59,522 INFO L93 Difference]: Finished difference Result 896 states and 1330 transitions. [2024-11-08 23:21:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:21:59,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2024-11-08 23:21:59,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:21:59,526 INFO L225 Difference]: With dead ends: 896 [2024-11-08 23:21:59,528 INFO L226 Difference]: Without dead ends: 612 [2024-11-08 23:21:59,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:21:59,529 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 218 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:21:59,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 548 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:21:59,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-08 23:21:59,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 493. [2024-11-08 23:21:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 404 states have (on average 1.400990099009901) internal successors, (566), 404 states have internal predecessors, (566), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 23:21:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 734 transitions. [2024-11-08 23:21:59,579 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 734 transitions. Word has length 150 [2024-11-08 23:21:59,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:21:59,579 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 734 transitions. [2024-11-08 23:21:59,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:21:59,580 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 734 transitions. [2024-11-08 23:21:59,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-08 23:21:59,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:21:59,581 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:21:59,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 23:21:59,581 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:21:59,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:59,582 INFO L85 PathProgramCache]: Analyzing trace with hash -484311744, now seen corresponding path program 1 times [2024-11-08 23:21:59,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:21:59,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396696547] [2024-11-08 23:21:59,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:21:59,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:02,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:02,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396696547] [2024-11-08 23:22:02,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396696547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:02,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:02,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 23:22:02,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303481130] [2024-11-08 23:22:02,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:02,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 23:22:02,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:02,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 23:22:02,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-08 23:22:02,478 INFO L87 Difference]: Start difference. First operand 493 states and 734 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:04,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:04,739 INFO L93 Difference]: Finished difference Result 1087 states and 1586 transitions. [2024-11-08 23:22:04,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 23:22:04,739 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 155 [2024-11-08 23:22:04,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:04,744 INFO L225 Difference]: With dead ends: 1087 [2024-11-08 23:22:04,744 INFO L226 Difference]: Without dead ends: 803 [2024-11-08 23:22:04,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2024-11-08 23:22:04,746 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 920 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:04,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 959 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 23:22:04,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-08 23:22:04,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 532. [2024-11-08 23:22:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 443 states have (on average 1.4040632054176072) internal successors, (622), 443 states have internal predecessors, (622), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-08 23:22:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 790 transitions. [2024-11-08 23:22:04,778 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 790 transitions. Word has length 155 [2024-11-08 23:22:04,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:04,779 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 790 transitions. [2024-11-08 23:22:04,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 790 transitions. [2024-11-08 23:22:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-08 23:22:04,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:04,781 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:04,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 23:22:04,781 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:04,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:04,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1816510846, now seen corresponding path program 1 times [2024-11-08 23:22:04,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:04,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881334945] [2024-11-08 23:22:04,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:05,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:05,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881334945] [2024-11-08 23:22:05,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881334945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:05,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:05,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 23:22:05,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995204563] [2024-11-08 23:22:05,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:05,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 23:22:05,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:05,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 23:22:05,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-08 23:22:05,523 INFO L87 Difference]: Start difference. First operand 532 states and 790 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 23:22:07,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:07,030 INFO L93 Difference]: Finished difference Result 1755 states and 2573 transitions. [2024-11-08 23:22:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 23:22:07,032 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 155 [2024-11-08 23:22:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:07,038 INFO L225 Difference]: With dead ends: 1755 [2024-11-08 23:22:07,039 INFO L226 Difference]: Without dead ends: 1432 [2024-11-08 23:22:07,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-08 23:22:07,041 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 949 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1258 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:07,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 995 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1258 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 23:22:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-08 23:22:07,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1331. [2024-11-08 23:22:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 1142 states have (on average 1.414185639229422) internal successors, (1615), 1146 states have internal predecessors, (1615), 176 states have call successors, (176), 12 states have call predecessors, (176), 12 states have return successors, (176), 172 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-08 23:22:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1967 transitions. [2024-11-08 23:22:07,111 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1967 transitions. Word has length 155 [2024-11-08 23:22:07,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:07,114 INFO L471 AbstractCegarLoop]: Abstraction has 1331 states and 1967 transitions. [2024-11-08 23:22:07,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 23:22:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1967 transitions. [2024-11-08 23:22:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-08 23:22:07,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:07,117 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:07,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 23:22:07,117 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:07,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:07,117 INFO L85 PathProgramCache]: Analyzing trace with hash -588813125, now seen corresponding path program 1 times [2024-11-08 23:22:07,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:07,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552829959] [2024-11-08 23:22:07,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:07,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:07,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:07,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552829959] [2024-11-08 23:22:07,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552829959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:07,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:07,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:22:07,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262417343] [2024-11-08 23:22:07,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:07,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:22:07,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:07,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:22:07,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:22:07,326 INFO L87 Difference]: Start difference. First operand 1331 states and 1967 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:07,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:07,584 INFO L93 Difference]: Finished difference Result 3342 states and 4934 transitions. [2024-11-08 23:22:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:22:07,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 155 [2024-11-08 23:22:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:07,594 INFO L225 Difference]: With dead ends: 3342 [2024-11-08 23:22:07,594 INFO L226 Difference]: Without dead ends: 2014 [2024-11-08 23:22:07,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:22:07,599 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 112 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:07,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 463 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:22:07,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2024-11-08 23:22:07,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1972. [2024-11-08 23:22:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1689 states have (on average 1.3984606275902902) internal successors, (2362), 1695 states have internal predecessors, (2362), 264 states have call successors, (264), 18 states have call predecessors, (264), 18 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2890 transitions. [2024-11-08 23:22:07,730 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2890 transitions. Word has length 155 [2024-11-08 23:22:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:07,731 INFO L471 AbstractCegarLoop]: Abstraction has 1972 states and 2890 transitions. [2024-11-08 23:22:07,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:07,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2890 transitions. [2024-11-08 23:22:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 23:22:07,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:07,733 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:07,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 23:22:07,733 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:07,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:07,734 INFO L85 PathProgramCache]: Analyzing trace with hash -352580729, now seen corresponding path program 1 times [2024-11-08 23:22:07,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:07,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208417802] [2024-11-08 23:22:07,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:07,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:07,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:07,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208417802] [2024-11-08 23:22:07,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208417802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:07,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:07,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 23:22:07,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132630059] [2024-11-08 23:22:07,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:07,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 23:22:07,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:07,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 23:22:07,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:22:07,827 INFO L87 Difference]: Start difference. First operand 1972 states and 2890 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:08,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:08,043 INFO L93 Difference]: Finished difference Result 5601 states and 8243 transitions. [2024-11-08 23:22:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 23:22:08,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 156 [2024-11-08 23:22:08,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:08,058 INFO L225 Difference]: With dead ends: 5601 [2024-11-08 23:22:08,058 INFO L226 Difference]: Without dead ends: 3632 [2024-11-08 23:22:08,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:22:08,065 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 120 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:08,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 301 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:22:08,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3632 states. [2024-11-08 23:22:08,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3632 to 2894. [2024-11-08 23:22:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2894 states, 2611 states have (on average 1.3925698965913442) internal successors, (3636), 2617 states have internal predecessors, (3636), 264 states have call successors, (264), 18 states have call predecessors, (264), 18 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 4164 transitions. [2024-11-08 23:22:08,214 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 4164 transitions. Word has length 156 [2024-11-08 23:22:08,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:08,217 INFO L471 AbstractCegarLoop]: Abstraction has 2894 states and 4164 transitions. [2024-11-08 23:22:08,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 4164 transitions. [2024-11-08 23:22:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 23:22:08,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:08,220 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:08,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 23:22:08,220 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:08,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:08,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1433931077, now seen corresponding path program 1 times [2024-11-08 23:22:08,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:08,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154593005] [2024-11-08 23:22:08,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:08,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:10,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:10,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154593005] [2024-11-08 23:22:10,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154593005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:10,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:10,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 23:22:10,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907823495] [2024-11-08 23:22:10,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:10,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 23:22:10,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:10,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 23:22:10,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-08 23:22:10,820 INFO L87 Difference]: Start difference. First operand 2894 states and 4164 transitions. Second operand has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:13,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:13,398 INFO L93 Difference]: Finished difference Result 5683 states and 8134 transitions. [2024-11-08 23:22:13,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 23:22:13,398 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 156 [2024-11-08 23:22:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:13,410 INFO L225 Difference]: With dead ends: 5683 [2024-11-08 23:22:13,410 INFO L226 Difference]: Without dead ends: 3719 [2024-11-08 23:22:13,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2024-11-08 23:22:13,414 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 782 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:13,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 1353 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 23:22:13,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3719 states. [2024-11-08 23:22:13,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3719 to 3047. [2024-11-08 23:22:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3047 states, 2764 states have (on average 1.3892908827785817) internal successors, (3840), 2770 states have internal predecessors, (3840), 264 states have call successors, (264), 18 states have call predecessors, (264), 18 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 3047 states and 4368 transitions. [2024-11-08 23:22:13,526 INFO L78 Accepts]: Start accepts. Automaton has 3047 states and 4368 transitions. Word has length 156 [2024-11-08 23:22:13,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:13,527 INFO L471 AbstractCegarLoop]: Abstraction has 3047 states and 4368 transitions. [2024-11-08 23:22:13,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 4368 transitions. [2024-11-08 23:22:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 23:22:13,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:13,530 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:13,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 23:22:13,531 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:13,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:13,531 INFO L85 PathProgramCache]: Analyzing trace with hash -560213629, now seen corresponding path program 1 times [2024-11-08 23:22:13,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:13,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372755692] [2024-11-08 23:22:13,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:13,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:15,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:15,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372755692] [2024-11-08 23:22:15,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372755692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:15,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:15,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 23:22:15,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992496770] [2024-11-08 23:22:15,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:15,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 23:22:15,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:15,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 23:22:15,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-08 23:22:15,539 INFO L87 Difference]: Start difference. First operand 3047 states and 4368 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-08 23:22:17,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:17,715 INFO L93 Difference]: Finished difference Result 5646 states and 8051 transitions. [2024-11-08 23:22:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 23:22:17,716 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 156 [2024-11-08 23:22:17,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:17,729 INFO L225 Difference]: With dead ends: 5646 [2024-11-08 23:22:17,730 INFO L226 Difference]: Without dead ends: 3529 [2024-11-08 23:22:17,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2024-11-08 23:22:17,735 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1250 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 2042 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:17,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 1066 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2042 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 23:22:17,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3529 states. [2024-11-08 23:22:17,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3529 to 3175. [2024-11-08 23:22:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3175 states, 2892 states have (on average 1.384508990318119) internal successors, (4004), 2898 states have internal predecessors, (4004), 264 states have call successors, (264), 18 states have call predecessors, (264), 18 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4532 transitions. [2024-11-08 23:22:17,840 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4532 transitions. Word has length 156 [2024-11-08 23:22:17,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:17,841 INFO L471 AbstractCegarLoop]: Abstraction has 3175 states and 4532 transitions. [2024-11-08 23:22:17,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-08 23:22:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4532 transitions. [2024-11-08 23:22:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 23:22:17,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:17,844 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:17,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 23:22:17,845 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:17,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:17,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1062211973, now seen corresponding path program 1 times [2024-11-08 23:22:17,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:17,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338844406] [2024-11-08 23:22:17,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:17,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:17,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:17,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338844406] [2024-11-08 23:22:17,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338844406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:17,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:17,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:22:17,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113932251] [2024-11-08 23:22:17,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:17,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:22:17,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:17,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:22:17,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:22:17,947 INFO L87 Difference]: Start difference. First operand 3175 states and 4532 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:18,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:18,164 INFO L93 Difference]: Finished difference Result 7662 states and 11022 transitions. [2024-11-08 23:22:18,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:22:18,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2024-11-08 23:22:18,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:18,181 INFO L225 Difference]: With dead ends: 7662 [2024-11-08 23:22:18,181 INFO L226 Difference]: Without dead ends: 4490 [2024-11-08 23:22:18,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:22:18,185 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 125 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:18,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 507 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:22:18,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2024-11-08 23:22:18,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 3587. [2024-11-08 23:22:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3587 states, 3304 states have (on average 1.3967917675544794) internal successors, (4615), 3310 states have internal predecessors, (4615), 264 states have call successors, (264), 18 states have call predecessors, (264), 18 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3587 states and 5143 transitions. [2024-11-08 23:22:18,365 INFO L78 Accepts]: Start accepts. Automaton has 3587 states and 5143 transitions. Word has length 157 [2024-11-08 23:22:18,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:18,367 INFO L471 AbstractCegarLoop]: Abstraction has 3587 states and 5143 transitions. [2024-11-08 23:22:18,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:18,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3587 states and 5143 transitions. [2024-11-08 23:22:18,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 23:22:18,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:18,370 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:18,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 23:22:18,370 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:18,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:18,371 INFO L85 PathProgramCache]: Analyzing trace with hash -591173599, now seen corresponding path program 1 times [2024-11-08 23:22:18,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:18,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551924383] [2024-11-08 23:22:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:18,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:19,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:19,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551924383] [2024-11-08 23:22:19,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551924383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:19,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:19,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 23:22:19,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510186577] [2024-11-08 23:22:19,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:19,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 23:22:19,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:19,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 23:22:19,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-11-08 23:22:19,267 INFO L87 Difference]: Start difference. First operand 3587 states and 5143 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:19,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:19,971 INFO L93 Difference]: Finished difference Result 5680 states and 8134 transitions. [2024-11-08 23:22:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 23:22:19,972 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2024-11-08 23:22:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:19,994 INFO L225 Difference]: With dead ends: 5680 [2024-11-08 23:22:19,994 INFO L226 Difference]: Without dead ends: 4077 [2024-11-08 23:22:19,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-08 23:22:20,000 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 349 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:20,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 696 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 23:22:20,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4077 states. [2024-11-08 23:22:20,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4077 to 3788. [2024-11-08 23:22:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 3505 states have (on average 1.4014265335235379) internal successors, (4912), 3511 states have internal predecessors, (4912), 264 states have call successors, (264), 18 states have call predecessors, (264), 18 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 5440 transitions. [2024-11-08 23:22:20,131 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 5440 transitions. Word has length 157 [2024-11-08 23:22:20,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:20,132 INFO L471 AbstractCegarLoop]: Abstraction has 3788 states and 5440 transitions. [2024-11-08 23:22:20,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 5440 transitions. [2024-11-08 23:22:20,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 23:22:20,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:20,135 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:20,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 23:22:20,135 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:20,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:20,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1867344525, now seen corresponding path program 1 times [2024-11-08 23:22:20,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:20,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10352389] [2024-11-08 23:22:20,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:20,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:20,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:20,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10352389] [2024-11-08 23:22:20,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10352389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:20,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:20,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:22:20,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622518915] [2024-11-08 23:22:20,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:20,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:22:20,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:20,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:22:20,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:22:20,252 INFO L87 Difference]: Start difference. First operand 3788 states and 5440 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:20,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:20,549 INFO L93 Difference]: Finished difference Result 8860 states and 12678 transitions. [2024-11-08 23:22:20,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:22:20,550 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2024-11-08 23:22:20,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:20,569 INFO L225 Difference]: With dead ends: 8860 [2024-11-08 23:22:20,569 INFO L226 Difference]: Without dead ends: 5075 [2024-11-08 23:22:20,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:22:20,577 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 117 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:20,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 531 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:22:20,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5075 states. [2024-11-08 23:22:20,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5075 to 4059. [2024-11-08 23:22:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4059 states, 3776 states have (on average 1.3916843220338984) internal successors, (5255), 3782 states have internal predecessors, (5255), 264 states have call successors, (264), 18 states have call predecessors, (264), 18 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:20,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 5783 transitions. [2024-11-08 23:22:20,711 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 5783 transitions. Word has length 157 [2024-11-08 23:22:20,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:20,711 INFO L471 AbstractCegarLoop]: Abstraction has 4059 states and 5783 transitions. [2024-11-08 23:22:20,712 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 5783 transitions. [2024-11-08 23:22:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 23:22:20,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:20,715 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:20,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 23:22:20,716 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:20,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:20,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1308392077, now seen corresponding path program 1 times [2024-11-08 23:22:20,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:20,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692400818] [2024-11-08 23:22:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:20,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:24,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:24,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692400818] [2024-11-08 23:22:24,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692400818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:24,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:24,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 23:22:24,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448054398] [2024-11-08 23:22:24,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:24,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 23:22:24,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:24,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 23:22:24,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 23:22:24,108 INFO L87 Difference]: Start difference. First operand 4059 states and 5783 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:26,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:26,239 INFO L93 Difference]: Finished difference Result 5976 states and 8472 transitions. [2024-11-08 23:22:26,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 23:22:26,240 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2024-11-08 23:22:26,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:26,250 INFO L225 Difference]: With dead ends: 5976 [2024-11-08 23:22:26,251 INFO L226 Difference]: Without dead ends: 4899 [2024-11-08 23:22:26,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-08 23:22:26,254 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 519 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:26,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 729 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 23:22:26,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2024-11-08 23:22:26,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4304. [2024-11-08 23:22:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4304 states, 4021 states have (on average 1.3934344690375529) internal successors, (5603), 4027 states have internal predecessors, (5603), 264 states have call successors, (264), 18 states have call predecessors, (264), 18 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 4304 states and 6131 transitions. [2024-11-08 23:22:26,378 INFO L78 Accepts]: Start accepts. Automaton has 4304 states and 6131 transitions. Word has length 157 [2024-11-08 23:22:26,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:26,378 INFO L471 AbstractCegarLoop]: Abstraction has 4304 states and 6131 transitions. [2024-11-08 23:22:26,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 4304 states and 6131 transitions. [2024-11-08 23:22:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-08 23:22:26,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:26,384 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:26,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 23:22:26,384 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:26,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:26,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1297631477, now seen corresponding path program 1 times [2024-11-08 23:22:26,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:26,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147286457] [2024-11-08 23:22:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:26,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:28,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147286457] [2024-11-08 23:22:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147286457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:28,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:28,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 23:22:28,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70685416] [2024-11-08 23:22:28,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:28,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 23:22:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:28,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 23:22:28,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:22:28,406 INFO L87 Difference]: Start difference. First operand 4304 states and 6131 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:29,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:29,437 INFO L93 Difference]: Finished difference Result 7990 states and 11352 transitions. [2024-11-08 23:22:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 23:22:29,438 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2024-11-08 23:22:29,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:29,451 INFO L225 Difference]: With dead ends: 7990 [2024-11-08 23:22:29,452 INFO L226 Difference]: Without dead ends: 5101 [2024-11-08 23:22:29,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 23:22:29,459 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 166 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:29,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 562 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 23:22:29,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5101 states. [2024-11-08 23:22:29,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5101 to 4794. [2024-11-08 23:22:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 4503 states have (on average 1.3944037308461026) internal successors, (6279), 4509 states have internal predecessors, (6279), 264 states have call successors, (264), 26 states have call predecessors, (264), 26 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6807 transitions. [2024-11-08 23:22:29,631 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6807 transitions. Word has length 157 [2024-11-08 23:22:29,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:29,632 INFO L471 AbstractCegarLoop]: Abstraction has 4794 states and 6807 transitions. [2024-11-08 23:22:29,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6807 transitions. [2024-11-08 23:22:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 23:22:29,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:29,637 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:29,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 23:22:29,637 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:29,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash -54855174, now seen corresponding path program 1 times [2024-11-08 23:22:29,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:29,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526548724] [2024-11-08 23:22:29,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:29,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:29,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:29,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526548724] [2024-11-08 23:22:29,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526548724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:29,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:29,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:22:29,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983275486] [2024-11-08 23:22:29,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:29,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:22:29,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:29,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:22:29,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:22:29,781 INFO L87 Difference]: Start difference. First operand 4794 states and 6807 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:30,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:30,346 INFO L93 Difference]: Finished difference Result 10760 states and 15279 transitions. [2024-11-08 23:22:30,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:22:30,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2024-11-08 23:22:30,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:30,362 INFO L225 Difference]: With dead ends: 10760 [2024-11-08 23:22:30,362 INFO L226 Difference]: Without dead ends: 5939 [2024-11-08 23:22:30,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-08 23:22:30,371 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 321 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:30,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 483 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 23:22:30,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2024-11-08 23:22:30,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 4006. [2024-11-08 23:22:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4006 states, 3715 states have (on average 1.360699865410498) internal successors, (5055), 3721 states have internal predecessors, (5055), 264 states have call successors, (264), 26 states have call predecessors, (264), 26 states have return successors, (264), 258 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-08 23:22:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 4006 states and 5583 transitions. [2024-11-08 23:22:30,551 INFO L78 Accepts]: Start accepts. Automaton has 4006 states and 5583 transitions. Word has length 158 [2024-11-08 23:22:30,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:30,551 INFO L471 AbstractCegarLoop]: Abstraction has 4006 states and 5583 transitions. [2024-11-08 23:22:30,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 4006 states and 5583 transitions. [2024-11-08 23:22:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 23:22:30,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:30,555 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:30,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 23:22:30,555 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:30,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:30,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1081161404, now seen corresponding path program 1 times [2024-11-08 23:22:30,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:30,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798499816] [2024-11-08 23:22:30,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:30,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:52,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798499816] [2024-11-08 23:22:52,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798499816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:52,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:52,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 23:22:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950170047] [2024-11-08 23:22:52,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:52,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 23:22:52,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:52,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 23:22:52,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-08 23:22:52,038 INFO L87 Difference]: Start difference. First operand 4006 states and 5583 transitions. Second operand has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:53,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:53,722 INFO L93 Difference]: Finished difference Result 9238 states and 12731 transitions. [2024-11-08 23:22:53,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 23:22:53,723 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2024-11-08 23:22:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:53,741 INFO L225 Difference]: With dead ends: 9238 [2024-11-08 23:22:53,741 INFO L226 Difference]: Without dead ends: 9236 [2024-11-08 23:22:53,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-08 23:22:53,746 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 460 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:53,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1086 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 23:22:53,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9236 states. [2024-11-08 23:22:54,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9236 to 9152. [2024-11-08 23:22:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9152 states, 8569 states have (on average 1.3518496907457114) internal successors, (11584), 8599 states have internal predecessors, (11584), 524 states have call successors, (524), 58 states have call predecessors, (524), 58 states have return successors, (524), 494 states have call predecessors, (524), 524 states have call successors, (524) [2024-11-08 23:22:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9152 states to 9152 states and 12632 transitions. [2024-11-08 23:22:54,061 INFO L78 Accepts]: Start accepts. Automaton has 9152 states and 12632 transitions. Word has length 158 [2024-11-08 23:22:54,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:54,062 INFO L471 AbstractCegarLoop]: Abstraction has 9152 states and 12632 transitions. [2024-11-08 23:22:54,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 9152 states and 12632 transitions. [2024-11-08 23:22:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 23:22:54,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:54,067 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:54,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 23:22:54,067 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:54,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:54,068 INFO L85 PathProgramCache]: Analyzing trace with hash 299207398, now seen corresponding path program 1 times [2024-11-08 23:22:54,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:54,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831904983] [2024-11-08 23:22:54,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:54,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:54,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:54,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831904983] [2024-11-08 23:22:54,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831904983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:54,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:54,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 23:22:54,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542022936] [2024-11-08 23:22:54,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:54,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 23:22:54,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:54,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 23:22:54,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-11-08 23:22:54,929 INFO L87 Difference]: Start difference. First operand 9152 states and 12632 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:55,910 INFO L93 Difference]: Finished difference Result 16662 states and 22897 transitions. [2024-11-08 23:22:55,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 23:22:55,913 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2024-11-08 23:22:55,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:55,935 INFO L225 Difference]: With dead ends: 16662 [2024-11-08 23:22:55,935 INFO L226 Difference]: Without dead ends: 10117 [2024-11-08 23:22:55,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-08 23:22:55,948 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 348 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:55,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 869 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 23:22:55,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10117 states. [2024-11-08 23:22:56,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10117 to 8548. [2024-11-08 23:22:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8548 states, 7974 states have (on average 1.347128166541259) internal successors, (10742), 8001 states have internal predecessors, (10742), 518 states have call successors, (518), 55 states have call predecessors, (518), 55 states have return successors, (518), 491 states have call predecessors, (518), 518 states have call successors, (518) [2024-11-08 23:22:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8548 states to 8548 states and 11778 transitions. [2024-11-08 23:22:56,271 INFO L78 Accepts]: Start accepts. Automaton has 8548 states and 11778 transitions. Word has length 158 [2024-11-08 23:22:56,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:56,271 INFO L471 AbstractCegarLoop]: Abstraction has 8548 states and 11778 transitions. [2024-11-08 23:22:56,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8548 states and 11778 transitions. [2024-11-08 23:22:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 23:22:56,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:56,276 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:56,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 23:22:56,276 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:56,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:56,277 INFO L85 PathProgramCache]: Analyzing trace with hash -669323112, now seen corresponding path program 1 times [2024-11-08 23:22:56,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:56,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546791145] [2024-11-08 23:22:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:56,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-08 23:22:56,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:56,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546791145] [2024-11-08 23:22:56,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546791145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:56,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:56,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 23:22:56,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958297905] [2024-11-08 23:22:56,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:56,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 23:22:56,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:56,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 23:22:56,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 23:22:56,543 INFO L87 Difference]: Start difference. First operand 8548 states and 11778 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:56,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:56,851 INFO L93 Difference]: Finished difference Result 8612 states and 11836 transitions. [2024-11-08 23:22:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 23:22:56,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-08 23:22:56,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:56,860 INFO L225 Difference]: With dead ends: 8612 [2024-11-08 23:22:56,860 INFO L226 Difference]: Without dead ends: 2671 [2024-11-08 23:22:56,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-08 23:22:56,868 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 250 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:56,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 418 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:22:56,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2024-11-08 23:22:56,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 1336. [2024-11-08 23:22:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1233 states have (on average 1.337388483373885) internal successors, (1649), 1235 states have internal predecessors, (1649), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 23:22:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1825 transitions. [2024-11-08 23:22:56,930 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1825 transitions. Word has length 159 [2024-11-08 23:22:56,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:56,931 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1825 transitions. [2024-11-08 23:22:56,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:56,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1825 transitions. [2024-11-08 23:22:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 23:22:56,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:56,932 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:56,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 23:22:56,933 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:56,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:56,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1283147246, now seen corresponding path program 1 times [2024-11-08 23:22:56,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:56,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080498126] [2024-11-08 23:22:56,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:56,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:22:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:22:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:22:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:22:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:22:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:22:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:22:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:22:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:22:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:22:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:22:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:22:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:22:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:22:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:22:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:22:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:22:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:22:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:22:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:22:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:22:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:22:57,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:22:57,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080498126] [2024-11-08 23:22:57,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080498126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:22:57,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:22:57,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:22:57,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931396617] [2024-11-08 23:22:57,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:22:57,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:22:57,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:22:57,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:22:57,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:22:57,157 INFO L87 Difference]: Start difference. First operand 1336 states and 1825 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:57,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:22:57,401 INFO L93 Difference]: Finished difference Result 2859 states and 3917 transitions. [2024-11-08 23:22:57,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:22:57,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-08 23:22:57,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:22:57,407 INFO L225 Difference]: With dead ends: 2859 [2024-11-08 23:22:57,407 INFO L226 Difference]: Without dead ends: 1526 [2024-11-08 23:22:57,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-08 23:22:57,410 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 131 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:22:57,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 226 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:22:57,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2024-11-08 23:22:57,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1336. [2024-11-08 23:22:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1233 states have (on average 1.3317112733171128) internal successors, (1642), 1235 states have internal predecessors, (1642), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 23:22:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1818 transitions. [2024-11-08 23:22:57,467 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1818 transitions. Word has length 159 [2024-11-08 23:22:57,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:22:57,468 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1818 transitions. [2024-11-08 23:22:57,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:22:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1818 transitions. [2024-11-08 23:22:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 23:22:57,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:22:57,469 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:22:57,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 23:22:57,469 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:22:57,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:57,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1423695856, now seen corresponding path program 1 times [2024-11-08 23:22:57,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:22:57,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239459932] [2024-11-08 23:22:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:22:57,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:23:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:23:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:23:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:23:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:23:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:23:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:23:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:23:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:23:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:23:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:23:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:23:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:23:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:23:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:23:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:23:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:23:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:23:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:23:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:23:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:23:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:23:05,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:23:05,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239459932] [2024-11-08 23:23:05,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239459932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:23:05,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:23:05,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 23:23:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356699161] [2024-11-08 23:23:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:23:05,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 23:23:05,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:23:05,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 23:23:05,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-08 23:23:05,826 INFO L87 Difference]: Start difference. First operand 1336 states and 1818 transitions. Second operand has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:23:07,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:23:07,824 INFO L93 Difference]: Finished difference Result 2477 states and 3362 transitions. [2024-11-08 23:23:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 23:23:07,824 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-08 23:23:07,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:23:07,829 INFO L225 Difference]: With dead ends: 2477 [2024-11-08 23:23:07,829 INFO L226 Difference]: Without dead ends: 1568 [2024-11-08 23:23:07,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-08 23:23:07,831 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 513 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 23:23:07,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 753 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 23:23:07,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2024-11-08 23:23:07,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1390. [2024-11-08 23:23:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1287 states have (on average 1.331002331002331) internal successors, (1713), 1289 states have internal predecessors, (1713), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 23:23:07,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1889 transitions. [2024-11-08 23:23:07,884 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1889 transitions. Word has length 159 [2024-11-08 23:23:07,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:23:07,884 INFO L471 AbstractCegarLoop]: Abstraction has 1390 states and 1889 transitions. [2024-11-08 23:23:07,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:23:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1889 transitions. [2024-11-08 23:23:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 23:23:07,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:23:07,886 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:23:07,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 23:23:07,886 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:23:07,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:23:07,887 INFO L85 PathProgramCache]: Analyzing trace with hash 606047406, now seen corresponding path program 1 times [2024-11-08 23:23:07,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:23:07,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167775759] [2024-11-08 23:23:07,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:23:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:07,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:23:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:07,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:23:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:07,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:23:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:23:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:07,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:23:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:23:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:23:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:23:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:23:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:23:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:23:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:23:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:23:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:23:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:23:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:23:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:23:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:23:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:23:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:23:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:23:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:08,027 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:23:08,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:23:08,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167775759] [2024-11-08 23:23:08,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167775759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:23:08,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:23:08,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 23:23:08,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701169750] [2024-11-08 23:23:08,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:23:08,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 23:23:08,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:23:08,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 23:23:08,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:23:08,029 INFO L87 Difference]: Start difference. First operand 1390 states and 1889 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:23:08,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:23:08,265 INFO L93 Difference]: Finished difference Result 2912 states and 3955 transitions. [2024-11-08 23:23:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 23:23:08,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-08 23:23:08,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:23:08,270 INFO L225 Difference]: With dead ends: 2912 [2024-11-08 23:23:08,270 INFO L226 Difference]: Without dead ends: 1525 [2024-11-08 23:23:08,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 23:23:08,273 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 203 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:23:08,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 509 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:23:08,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2024-11-08 23:23:08,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1390. [2024-11-08 23:23:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1287 states have (on average 1.3255633255633255) internal successors, (1706), 1289 states have internal predecessors, (1706), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 23:23:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1882 transitions. [2024-11-08 23:23:08,333 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1882 transitions. Word has length 159 [2024-11-08 23:23:08,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:23:08,333 INFO L471 AbstractCegarLoop]: Abstraction has 1390 states and 1882 transitions. [2024-11-08 23:23:08,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:23:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1882 transitions. [2024-11-08 23:23:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 23:23:08,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:23:08,338 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:23:08,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 23:23:08,338 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:23:08,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:23:08,339 INFO L85 PathProgramCache]: Analyzing trace with hash -240582886, now seen corresponding path program 1 times [2024-11-08 23:23:08,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:23:08,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689088680] [2024-11-08 23:23:08,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:23:08,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:23:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:23:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:23:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:23:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:23:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:23:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:23:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:23:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:23:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:23:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:23:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:23:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:23:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:23:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:23:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:23:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:23:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:23:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:23:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:23:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:23:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:23:11,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:23:11,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689088680] [2024-11-08 23:23:11,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689088680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:23:11,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:23:11,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 23:23:11,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496348138] [2024-11-08 23:23:11,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:23:11,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 23:23:11,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:23:11,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 23:23:11,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-08 23:23:11,560 INFO L87 Difference]: Start difference. First operand 1390 states and 1882 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:23:12,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:23:12,420 INFO L93 Difference]: Finished difference Result 2684 states and 3628 transitions. [2024-11-08 23:23:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 23:23:12,421 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-08 23:23:12,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:23:12,426 INFO L225 Difference]: With dead ends: 2684 [2024-11-08 23:23:12,426 INFO L226 Difference]: Without dead ends: 2072 [2024-11-08 23:23:12,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-11-08 23:23:12,427 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 316 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 23:23:12,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 459 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 23:23:12,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2024-11-08 23:23:12,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 1587. [2024-11-08 23:23:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1484 states have (on average 1.3355795148247978) internal successors, (1982), 1486 states have internal predecessors, (1982), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 23:23:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2158 transitions. [2024-11-08 23:23:12,485 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2158 transitions. Word has length 159 [2024-11-08 23:23:12,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:23:12,485 INFO L471 AbstractCegarLoop]: Abstraction has 1587 states and 2158 transitions. [2024-11-08 23:23:12,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:23:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2158 transitions. [2024-11-08 23:23:12,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 23:23:12,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:23:12,487 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:23:12,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 23:23:12,487 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:23:12,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:23:12,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1929526628, now seen corresponding path program 1 times [2024-11-08 23:23:12,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:23:12,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490482802] [2024-11-08 23:23:12,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:23:12,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:23:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:23:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:23:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:23:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:23:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:23:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:23:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:23:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:23:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:23:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:23:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:23:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:23:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:23:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 23:23:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:23:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 23:23:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 23:23:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:23:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:23:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:23:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 23:23:12,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:23:12,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490482802] [2024-11-08 23:23:12,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490482802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:23:12,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:23:12,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:23:12,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339580072] [2024-11-08 23:23:12,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:23:12,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:23:12,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:23:12,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:23:12,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:23:12,713 INFO L87 Difference]: Start difference. First operand 1587 states and 2158 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:23:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:23:13,052 INFO L93 Difference]: Finished difference Result 3414 states and 4634 transitions. [2024-11-08 23:23:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:23:13,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-08 23:23:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:23:13,057 INFO L225 Difference]: With dead ends: 3414 [2024-11-08 23:23:13,057 INFO L226 Difference]: Without dead ends: 1830 [2024-11-08 23:23:13,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:23:13,060 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 374 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:23:13,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 487 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:23:13,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2024-11-08 23:23:13,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1700. [2024-11-08 23:23:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1597 states have (on average 1.3256105197244834) internal successors, (2117), 1599 states have internal predecessors, (2117), 88 states have call successors, (88), 14 states have call predecessors, (88), 14 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 23:23:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2293 transitions. [2024-11-08 23:23:13,123 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2293 transitions. Word has length 159 [2024-11-08 23:23:13,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:23:13,124 INFO L471 AbstractCegarLoop]: Abstraction has 1700 states and 2293 transitions. [2024-11-08 23:23:13,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 23:23:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2293 transitions. [2024-11-08 23:23:13,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 23:23:13,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:23:13,125 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:23:13,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 23:23:13,126 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:23:13,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:23:13,126 INFO L85 PathProgramCache]: Analyzing trace with hash -942182760, now seen corresponding path program 1 times [2024-11-08 23:23:13,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:23:13,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405264075] [2024-11-08 23:23:13,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:23:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat