./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.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 0187c0226e7b7468f7a0294cd8b2139ff70ed258b94c84a844f5927a4b55b158 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:26:12,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:26:12,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:26:12,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:26:12,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:26:12,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:26:12,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:26:12,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:26:12,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:26:12,317 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:26:12,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:26:12,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:26:12,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:26:12,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:26:12,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:26:12,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:26:12,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:26:12,321 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:26:12,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:26:12,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:26:12,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:26:12,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:26:12,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:26:12,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:26:12,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:26:12,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:26:12,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:26:12,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:26:12,327 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:26:12,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:26:12,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:26:12,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:26:12,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:26:12,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:26:12,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:26:12,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:26:12,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:26:12,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:26:12,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:26:12,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:26:12,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:26:12,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:26:12,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0187c0226e7b7468f7a0294cd8b2139ff70ed258b94c84a844f5927a4b55b158 [2024-11-16 17:26:12,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:26:12,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:26:12,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:26:12,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:26:12,585 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:26:12,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i [2024-11-16 17:26:13,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:26:14,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:26:14,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i [2024-11-16 17:26:14,242 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0aa6353c/22a07f58a58d4feaa067e3bd036c5ce8/FLAGe466cf3fe [2024-11-16 17:26:14,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0aa6353c/22a07f58a58d4feaa067e3bd036c5ce8 [2024-11-16 17:26:14,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:26:14,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:26:14,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:26:14,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:26:14,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:26:14,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259ccd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14, skipping insertion in model container [2024-11-16 17:26:14,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:26:14,479 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i[916,929] [2024-11-16 17:26:14,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:26:14,657 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:26:14,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i[916,929] [2024-11-16 17:26:14,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:26:14,768 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:26:14,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14 WrapperNode [2024-11-16 17:26:14,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:26:14,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:26:14,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:26:14,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:26:14,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,869 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 494 [2024-11-16 17:26:14,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:26:14,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:26:14,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:26:14,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:26:14,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,951 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]. [2024-11-16 17:26:14,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:14,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:15,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:26:15,009 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:26:15,009 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:26:15,010 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:26:15,010 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (1/1) ... [2024-11-16 17:26:15,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:26:15,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:26:15,044 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) [2024-11-16 17:26:15,047 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 [2024-11-16 17:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:26:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:26:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:26:15,194 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:26:15,196 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:26:15,997 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L365: havoc property_#t~bitwise38#1;havoc property_#t~short39#1;havoc property_#t~ite41#1;havoc property_#t~bitwise40#1;havoc property_#t~short42#1;havoc property_#t~bitwise43#1;havoc property_#t~ite45#1;havoc property_#t~bitwise44#1;havoc property_#t~short46#1;havoc property_#t~bitwise47#1;havoc property_#t~short48#1;havoc property_#t~ite50#1;havoc property_#t~bitwise49#1;havoc property_#t~short51#1; [2024-11-16 17:26:16,084 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-16 17:26:16,085 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:26:16,116 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:26:16,117 INFO L336 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-16 17:26:16,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:26:16 BoogieIcfgContainer [2024-11-16 17:26:16,118 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:26:16,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:26:16,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:26:16,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:26:16,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:26:14" (1/3) ... [2024-11-16 17:26:16,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4f9267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:26:16, skipping insertion in model container [2024-11-16 17:26:16,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:26:14" (2/3) ... [2024-11-16 17:26:16,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4f9267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:26:16, skipping insertion in model container [2024-11-16 17:26:16,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:26:16" (3/3) ... [2024-11-16 17:26:16,129 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-92.i [2024-11-16 17:26:16,145 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:26:16,146 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:26:16,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:26:16,230 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;@2bf32382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:26:16,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:26:16,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 152 states have (on average 1.480263157894737) internal successors, (225), 153 states have internal predecessors, (225), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 17:26:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-16 17:26:16,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:16,258 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:16,258 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:16,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:16,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1407804509, now seen corresponding path program 1 times [2024-11-16 17:26:16,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:16,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23744035] [2024-11-16 17:26:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:16,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:16,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:16,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23744035] [2024-11-16 17:26:16,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23744035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:16,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:16,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:26:16,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038167460] [2024-11-16 17:26:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:16,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:26:16,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:16,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:26:16,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:26:16,991 INFO L87 Difference]: Start difference. First operand has 201 states, 152 states have (on average 1.480263157894737) internal successors, (225), 153 states have internal predecessors, (225), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-16 17:26:17,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:17,076 INFO L93 Difference]: Finished difference Result 394 states and 673 transitions. [2024-11-16 17:26:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:26:17,082 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 320 [2024-11-16 17:26:17,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:17,093 INFO L225 Difference]: With dead ends: 394 [2024-11-16 17:26:17,094 INFO L226 Difference]: Without dead ends: 196 [2024-11-16 17:26:17,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:26:17,102 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:17,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 297 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:26:17,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-16 17:26:17,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-16 17:26:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 148 states have (on average 1.4662162162162162) internal successors, (217), 148 states have internal predecessors, (217), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 17:26:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 309 transitions. [2024-11-16 17:26:17,186 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 309 transitions. Word has length 320 [2024-11-16 17:26:17,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:17,186 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 309 transitions. [2024-11-16 17:26:17,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-16 17:26:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 309 transitions. [2024-11-16 17:26:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-16 17:26:17,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:17,199 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:17,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:26:17,200 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:17,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:17,201 INFO L85 PathProgramCache]: Analyzing trace with hash -953306629, now seen corresponding path program 1 times [2024-11-16 17:26:17,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:17,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717963715] [2024-11-16 17:26:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:17,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:17,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:17,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717963715] [2024-11-16 17:26:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717963715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:17,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:17,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:26:17,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083034302] [2024-11-16 17:26:17,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:17,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:26:17,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:17,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:26:17,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:26:17,759 INFO L87 Difference]: Start difference. First operand 196 states and 309 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:17,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:17,901 INFO L93 Difference]: Finished difference Result 578 states and 913 transitions. [2024-11-16 17:26:17,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:26:17,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 320 [2024-11-16 17:26:17,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:17,911 INFO L225 Difference]: With dead ends: 578 [2024-11-16 17:26:17,914 INFO L226 Difference]: Without dead ends: 385 [2024-11-16 17:26:17,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:26:17,919 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 295 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:17,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 764 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:26:17,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-16 17:26:17,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 213. [2024-11-16 17:26:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4787878787878788) internal successors, (244), 165 states have internal predecessors, (244), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 17:26:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 336 transitions. [2024-11-16 17:26:17,959 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 336 transitions. Word has length 320 [2024-11-16 17:26:17,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:17,963 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 336 transitions. [2024-11-16 17:26:17,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 336 transitions. [2024-11-16 17:26:17,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-16 17:26:17,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:17,969 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:17,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 17:26:17,969 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:17,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash -414410213, now seen corresponding path program 1 times [2024-11-16 17:26:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:17,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096542194] [2024-11-16 17:26:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:18,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:18,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096542194] [2024-11-16 17:26:18,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096542194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:18,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:18,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:26:18,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346342828] [2024-11-16 17:26:18,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:18,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:26:18,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:18,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:26:18,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:26:18,335 INFO L87 Difference]: Start difference. First operand 213 states and 336 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:18,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:18,425 INFO L93 Difference]: Finished difference Result 595 states and 937 transitions. [2024-11-16 17:26:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:26:18,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 320 [2024-11-16 17:26:18,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:18,431 INFO L225 Difference]: With dead ends: 595 [2024-11-16 17:26:18,432 INFO L226 Difference]: Without dead ends: 385 [2024-11-16 17:26:18,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:26:18,435 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 286 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:18,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 574 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:26:18,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-16 17:26:18,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 213. [2024-11-16 17:26:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 165 states have (on average 1.4606060606060607) internal successors, (241), 165 states have internal predecessors, (241), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 17:26:18,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 333 transitions. [2024-11-16 17:26:18,462 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 333 transitions. Word has length 320 [2024-11-16 17:26:18,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:18,464 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 333 transitions. [2024-11-16 17:26:18,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 333 transitions. [2024-11-16 17:26:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-16 17:26:18,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:18,471 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:18,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 17:26:18,471 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:18,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:18,472 INFO L85 PathProgramCache]: Analyzing trace with hash 609243418, now seen corresponding path program 1 times [2024-11-16 17:26:18,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:18,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585135435] [2024-11-16 17:26:18,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:18,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:18,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:18,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585135435] [2024-11-16 17:26:18,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585135435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:18,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:18,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:26:18,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703468952] [2024-11-16 17:26:18,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:18,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:26:18,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:18,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:26:18,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:26:18,786 INFO L87 Difference]: Start difference. First operand 213 states and 333 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:18,867 INFO L93 Difference]: Finished difference Result 547 states and 852 transitions. [2024-11-16 17:26:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:26:18,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 320 [2024-11-16 17:26:18,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:18,871 INFO L225 Difference]: With dead ends: 547 [2024-11-16 17:26:18,871 INFO L226 Difference]: Without dead ends: 337 [2024-11-16 17:26:18,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:26:18,873 INFO L432 NwaCegarLoop]: 372 mSDtfsCounter, 135 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:18,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 651 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:26:18,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-16 17:26:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 333. [2024-11-16 17:26:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 280 states have (on average 1.4892857142857143) internal successors, (417), 281 states have internal predecessors, (417), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 17:26:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 517 transitions. [2024-11-16 17:26:18,892 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 517 transitions. Word has length 320 [2024-11-16 17:26:18,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:18,895 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 517 transitions. [2024-11-16 17:26:18,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 517 transitions. [2024-11-16 17:26:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-16 17:26:18,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:18,900 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:18,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 17:26:18,900 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:18,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:18,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1294207366, now seen corresponding path program 1 times [2024-11-16 17:26:18,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:18,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211774179] [2024-11-16 17:26:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:18,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:19,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211774179] [2024-11-16 17:26:19,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211774179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:19,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:19,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:26:19,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607068009] [2024-11-16 17:26:19,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:19,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:26:19,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:19,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:26:19,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:19,556 INFO L87 Difference]: Start difference. First operand 333 states and 517 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:19,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:19,851 INFO L93 Difference]: Finished difference Result 985 states and 1534 transitions. [2024-11-16 17:26:19,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:26:19,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 321 [2024-11-16 17:26:19,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:19,861 INFO L225 Difference]: With dead ends: 985 [2024-11-16 17:26:19,862 INFO L226 Difference]: Without dead ends: 655 [2024-11-16 17:26:19,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:26:19,865 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 264 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:19,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 852 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 17:26:19,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-16 17:26:19,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 630. [2024-11-16 17:26:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 530 states have (on average 1.5) internal successors, (795), 531 states have internal predecessors, (795), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-16 17:26:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 987 transitions. [2024-11-16 17:26:19,918 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 987 transitions. Word has length 321 [2024-11-16 17:26:19,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:19,918 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 987 transitions. [2024-11-16 17:26:19,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 987 transitions. [2024-11-16 17:26:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-16 17:26:19,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:19,925 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:19,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 17:26:19,926 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:19,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:19,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1295038516, now seen corresponding path program 1 times [2024-11-16 17:26:19,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:19,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801840208] [2024-11-16 17:26:19,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:19,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:20,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:20,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801840208] [2024-11-16 17:26:20,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801840208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:20,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:20,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:26:20,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871099493] [2024-11-16 17:26:20,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:20,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:26:20,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:20,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:26:20,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:20,381 INFO L87 Difference]: Start difference. First operand 630 states and 987 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:20,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:20,669 INFO L93 Difference]: Finished difference Result 1651 states and 2565 transitions. [2024-11-16 17:26:20,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:26:20,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 322 [2024-11-16 17:26:20,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:20,677 INFO L225 Difference]: With dead ends: 1651 [2024-11-16 17:26:20,677 INFO L226 Difference]: Without dead ends: 1109 [2024-11-16 17:26:20,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:26:20,679 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 393 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:20,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 908 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 17:26:20,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2024-11-16 17:26:20,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1083. [2024-11-16 17:26:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 931 states have (on average 1.489795918367347) internal successors, (1387), 933 states have internal predecessors, (1387), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-16 17:26:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1679 transitions. [2024-11-16 17:26:20,757 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1679 transitions. Word has length 322 [2024-11-16 17:26:20,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:20,758 INFO L471 AbstractCegarLoop]: Abstraction has 1083 states and 1679 transitions. [2024-11-16 17:26:20,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1679 transitions. [2024-11-16 17:26:20,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-16 17:26:20,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:20,764 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:20,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 17:26:20,764 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:20,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:20,765 INFO L85 PathProgramCache]: Analyzing trace with hash 154011773, now seen corresponding path program 1 times [2024-11-16 17:26:20,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:20,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351615925] [2024-11-16 17:26:20,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:20,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:21,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:21,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351615925] [2024-11-16 17:26:21,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351615925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:21,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:21,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:26:21,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658907848] [2024-11-16 17:26:21,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:21,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:26:21,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:21,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:26:21,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:21,602 INFO L87 Difference]: Start difference. First operand 1083 states and 1679 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:21,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:21,961 INFO L93 Difference]: Finished difference Result 2125 states and 3278 transitions. [2024-11-16 17:26:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:26:21,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 323 [2024-11-16 17:26:21,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:21,969 INFO L225 Difference]: With dead ends: 2125 [2024-11-16 17:26:21,969 INFO L226 Difference]: Without dead ends: 1130 [2024-11-16 17:26:21,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:26:21,971 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 256 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:21,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 850 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 17:26:21,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-11-16 17:26:22,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1091. [2024-11-16 17:26:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 939 states have (on average 1.4845580404685836) internal successors, (1394), 941 states have internal predecessors, (1394), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-16 17:26:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1686 transitions. [2024-11-16 17:26:22,042 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1686 transitions. Word has length 323 [2024-11-16 17:26:22,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:22,043 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1686 transitions. [2024-11-16 17:26:22,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1686 transitions. [2024-11-16 17:26:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-16 17:26:22,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:22,048 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:22,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 17:26:22,048 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:22,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:22,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1645510437, now seen corresponding path program 1 times [2024-11-16 17:26:22,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:22,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508010284] [2024-11-16 17:26:22,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:22,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:22,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508010284] [2024-11-16 17:26:22,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508010284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:22,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:22,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:26:22,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86778367] [2024-11-16 17:26:22,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:22,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:26:22,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:22,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:26:22,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:22,569 INFO L87 Difference]: Start difference. First operand 1091 states and 1686 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:22,740 INFO L93 Difference]: Finished difference Result 2324 states and 3559 transitions. [2024-11-16 17:26:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:26:22,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 324 [2024-11-16 17:26:22,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:22,748 INFO L225 Difference]: With dead ends: 2324 [2024-11-16 17:26:22,748 INFO L226 Difference]: Without dead ends: 1402 [2024-11-16 17:26:22,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:22,751 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 258 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:22,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 841 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:26:22,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-11-16 17:26:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 928. [2024-11-16 17:26:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 783 states have (on average 1.4891443167305236) internal successors, (1166), 783 states have internal predecessors, (1166), 138 states have call successors, (138), 6 states have call predecessors, (138), 6 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-16 17:26:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1442 transitions. [2024-11-16 17:26:22,814 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1442 transitions. Word has length 324 [2024-11-16 17:26:22,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:22,814 INFO L471 AbstractCegarLoop]: Abstraction has 928 states and 1442 transitions. [2024-11-16 17:26:22,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:22,815 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1442 transitions. [2024-11-16 17:26:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-16 17:26:22,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:22,819 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:22,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 17:26:22,819 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:22,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:22,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1614490630, now seen corresponding path program 1 times [2024-11-16 17:26:22,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:22,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107069898] [2024-11-16 17:26:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:22,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:23,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:23,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107069898] [2024-11-16 17:26:23,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107069898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:23,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:23,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:26:23,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292501290] [2024-11-16 17:26:23,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:23,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:26:23,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:23,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:26:23,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:23,887 INFO L87 Difference]: Start difference. First operand 928 states and 1442 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:24,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:24,136 INFO L93 Difference]: Finished difference Result 2387 states and 3722 transitions. [2024-11-16 17:26:24,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:26:24,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 324 [2024-11-16 17:26:24,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:24,145 INFO L225 Difference]: With dead ends: 2387 [2024-11-16 17:26:24,145 INFO L226 Difference]: Without dead ends: 1684 [2024-11-16 17:26:24,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:24,147 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 183 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:24,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 773 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 17:26:24,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2024-11-16 17:26:24,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1673. [2024-11-16 17:26:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1432 states have (on average 1.4874301675977655) internal successors, (2130), 1432 states have internal predecessors, (2130), 230 states have call successors, (230), 10 states have call predecessors, (230), 10 states have return successors, (230), 230 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-16 17:26:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2590 transitions. [2024-11-16 17:26:24,223 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2590 transitions. Word has length 324 [2024-11-16 17:26:24,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:24,224 INFO L471 AbstractCegarLoop]: Abstraction has 1673 states and 2590 transitions. [2024-11-16 17:26:24,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2590 transitions. [2024-11-16 17:26:24,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-16 17:26:24,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:24,229 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:24,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 17:26:24,229 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:24,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:24,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1403139717, now seen corresponding path program 1 times [2024-11-16 17:26:24,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:24,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623471282] [2024-11-16 17:26:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:24,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:24,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:24,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623471282] [2024-11-16 17:26:24,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623471282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:24,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:24,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:26:24,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27160846] [2024-11-16 17:26:24,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:24,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:26:24,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:24,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:26:24,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:24,770 INFO L87 Difference]: Start difference. First operand 1673 states and 2590 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:25,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:25,080 INFO L93 Difference]: Finished difference Result 3259 states and 5031 transitions. [2024-11-16 17:26:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:26:25,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 324 [2024-11-16 17:26:25,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:25,089 INFO L225 Difference]: With dead ends: 3259 [2024-11-16 17:26:25,089 INFO L226 Difference]: Without dead ends: 1712 [2024-11-16 17:26:25,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:26:25,092 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 266 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:25,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 860 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 17:26:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2024-11-16 17:26:25,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1673. [2024-11-16 17:26:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1432 states have (on average 1.4825418994413408) internal successors, (2123), 1432 states have internal predecessors, (2123), 230 states have call successors, (230), 10 states have call predecessors, (230), 10 states have return successors, (230), 230 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-16 17:26:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2583 transitions. [2024-11-16 17:26:25,182 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2583 transitions. Word has length 324 [2024-11-16 17:26:25,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:25,183 INFO L471 AbstractCegarLoop]: Abstraction has 1673 states and 2583 transitions. [2024-11-16 17:26:25,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:25,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2583 transitions. [2024-11-16 17:26:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-16 17:26:25,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:25,186 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:25,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 17:26:25,186 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:25,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:25,187 INFO L85 PathProgramCache]: Analyzing trace with hash 180429865, now seen corresponding path program 1 times [2024-11-16 17:26:25,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:25,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613983204] [2024-11-16 17:26:25,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:25,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:26,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:26,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613983204] [2024-11-16 17:26:26,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613983204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:26,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:26,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 17:26:26,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431889012] [2024-11-16 17:26:26,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:26,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 17:26:26,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:26,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 17:26:26,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:26:26,301 INFO L87 Difference]: Start difference. First operand 1673 states and 2583 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-16 17:26:26,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:26,999 INFO L93 Difference]: Finished difference Result 3730 states and 5723 transitions. [2024-11-16 17:26:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:26:27,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 325 [2024-11-16 17:26:27,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:27,014 INFO L225 Difference]: With dead ends: 3730 [2024-11-16 17:26:27,014 INFO L226 Difference]: Without dead ends: 3031 [2024-11-16 17:26:27,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-16 17:26:27,017 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 358 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:27,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1210 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 17:26:27,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2024-11-16 17:26:27,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 3012. [2024-11-16 17:26:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3012 states, 2574 states have (on average 1.4716394716394716) internal successors, (3788), 2574 states have internal predecessors, (3788), 414 states have call successors, (414), 23 states have call predecessors, (414), 23 states have return successors, (414), 414 states have call predecessors, (414), 414 states have call successors, (414) [2024-11-16 17:26:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 3012 states and 4616 transitions. [2024-11-16 17:26:27,156 INFO L78 Accepts]: Start accepts. Automaton has 3012 states and 4616 transitions. Word has length 325 [2024-11-16 17:26:27,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:27,157 INFO L471 AbstractCegarLoop]: Abstraction has 3012 states and 4616 transitions. [2024-11-16 17:26:27,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-16 17:26:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3012 states and 4616 transitions. [2024-11-16 17:26:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-16 17:26:27,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:27,160 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:27,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 17:26:27,161 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:27,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:27,161 INFO L85 PathProgramCache]: Analyzing trace with hash -89349106, now seen corresponding path program 1 times [2024-11-16 17:26:27,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:27,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289706764] [2024-11-16 17:26:27,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:27,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:27,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:27,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289706764] [2024-11-16 17:26:27,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289706764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:27,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:27,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:26:27,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347698675] [2024-11-16 17:26:27,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:27,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:26:27,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:27,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:26:27,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:26:27,710 INFO L87 Difference]: Start difference. First operand 3012 states and 4616 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:28,106 INFO L93 Difference]: Finished difference Result 5203 states and 7931 transitions. [2024-11-16 17:26:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:26:28,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 326 [2024-11-16 17:26:28,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:28,120 INFO L225 Difference]: With dead ends: 5203 [2024-11-16 17:26:28,121 INFO L226 Difference]: Without dead ends: 2688 [2024-11-16 17:26:28,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:26:28,127 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 85 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:28,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 785 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 17:26:28,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2688 states. [2024-11-16 17:26:28,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2688 to 2679. [2024-11-16 17:26:28,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2679 states, 2299 states have (on average 1.4497607655502391) internal successors, (3333), 2303 states have internal predecessors, (3333), 354 states have call successors, (354), 25 states have call predecessors, (354), 25 states have return successors, (354), 350 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-16 17:26:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 4041 transitions. [2024-11-16 17:26:28,277 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 4041 transitions. Word has length 326 [2024-11-16 17:26:28,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:28,278 INFO L471 AbstractCegarLoop]: Abstraction has 2679 states and 4041 transitions. [2024-11-16 17:26:28,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 4041 transitions. [2024-11-16 17:26:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-16 17:26:28,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:28,281 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:28,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 17:26:28,281 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:28,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:28,282 INFO L85 PathProgramCache]: Analyzing trace with hash -599883283, now seen corresponding path program 1 times [2024-11-16 17:26:28,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:28,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010125652] [2024-11-16 17:26:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:35,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:35,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010125652] [2024-11-16 17:26:35,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010125652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:35,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:35,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 17:26:35,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560945911] [2024-11-16 17:26:35,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:35,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 17:26:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:35,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 17:26:35,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-16 17:26:35,646 INFO L87 Difference]: Start difference. First operand 2679 states and 4041 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:36,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:36,647 INFO L93 Difference]: Finished difference Result 9021 states and 13122 transitions. [2024-11-16 17:26:36,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 17:26:36,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 326 [2024-11-16 17:26:36,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:36,675 INFO L225 Difference]: With dead ends: 9021 [2024-11-16 17:26:36,675 INFO L226 Difference]: Without dead ends: 6663 [2024-11-16 17:26:36,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-16 17:26:36,684 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 742 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:36,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 1757 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 17:26:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6663 states. [2024-11-16 17:26:36,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6663 to 2861. [2024-11-16 17:26:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2481 states have (on average 1.4433696090286174) internal successors, (3581), 2485 states have internal predecessors, (3581), 354 states have call successors, (354), 25 states have call predecessors, (354), 25 states have return successors, (354), 350 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-16 17:26:36,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 4289 transitions. [2024-11-16 17:26:36,889 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 4289 transitions. Word has length 326 [2024-11-16 17:26:36,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:36,890 INFO L471 AbstractCegarLoop]: Abstraction has 2861 states and 4289 transitions. [2024-11-16 17:26:36,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 4289 transitions. [2024-11-16 17:26:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-16 17:26:36,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:36,893 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:36,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 17:26:36,893 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:36,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:36,894 INFO L85 PathProgramCache]: Analyzing trace with hash 223930998, now seen corresponding path program 1 times [2024-11-16 17:26:36,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:36,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532493434] [2024-11-16 17:26:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:36,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:37,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:37,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532493434] [2024-11-16 17:26:37,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532493434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:37,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:37,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 17:26:37,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753630932] [2024-11-16 17:26:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:37,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 17:26:37,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:37,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 17:26:37,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:26:37,411 INFO L87 Difference]: Start difference. First operand 2861 states and 4289 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:37,733 INFO L93 Difference]: Finished difference Result 7545 states and 11237 transitions. [2024-11-16 17:26:37,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 17:26:37,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 326 [2024-11-16 17:26:37,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:37,766 INFO L225 Difference]: With dead ends: 7545 [2024-11-16 17:26:37,770 INFO L226 Difference]: Without dead ends: 5016 [2024-11-16 17:26:37,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 17:26:37,778 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 271 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:37,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 720 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:26:37,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5016 states. [2024-11-16 17:26:38,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5016 to 2893. [2024-11-16 17:26:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2513 states have (on average 1.4377238360525268) internal successors, (3613), 2517 states have internal predecessors, (3613), 354 states have call successors, (354), 25 states have call predecessors, (354), 25 states have return successors, (354), 350 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-16 17:26:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 4321 transitions. [2024-11-16 17:26:38,046 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 4321 transitions. Word has length 326 [2024-11-16 17:26:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:38,047 INFO L471 AbstractCegarLoop]: Abstraction has 2893 states and 4321 transitions. [2024-11-16 17:26:38,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 4321 transitions. [2024-11-16 17:26:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-16 17:26:38,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:38,050 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:38,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 17:26:38,050 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:38,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:38,051 INFO L85 PathProgramCache]: Analyzing trace with hash -30805547, now seen corresponding path program 1 times [2024-11-16 17:26:38,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:38,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172215396] [2024-11-16 17:26:38,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:38,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:47,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:47,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172215396] [2024-11-16 17:26:47,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172215396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:47,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:47,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 17:26:47,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892689549] [2024-11-16 17:26:47,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:47,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 17:26:47,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:47,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 17:26:47,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 17:26:47,288 INFO L87 Difference]: Start difference. First operand 2893 states and 4321 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:49,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:49,316 INFO L93 Difference]: Finished difference Result 10867 states and 16088 transitions. [2024-11-16 17:26:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 17:26:49,316 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 326 [2024-11-16 17:26:49,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:49,340 INFO L225 Difference]: With dead ends: 10867 [2024-11-16 17:26:49,341 INFO L226 Difference]: Without dead ends: 8414 [2024-11-16 17:26:49,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-16 17:26:49,350 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 1109 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:49,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 1886 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 17:26:49,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8414 states. [2024-11-16 17:26:49,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8414 to 7999. [2024-11-16 17:26:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7999 states, 6922 states have (on average 1.417220456515458) internal successors, (9810), 6950 states have internal predecessors, (9810), 990 states have call successors, (990), 86 states have call predecessors, (990), 86 states have return successors, (990), 962 states have call predecessors, (990), 990 states have call successors, (990) [2024-11-16 17:26:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7999 states to 7999 states and 11790 transitions. [2024-11-16 17:26:49,976 INFO L78 Accepts]: Start accepts. Automaton has 7999 states and 11790 transitions. Word has length 326 [2024-11-16 17:26:49,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:49,977 INFO L471 AbstractCegarLoop]: Abstraction has 7999 states and 11790 transitions. [2024-11-16 17:26:49,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 7999 states and 11790 transitions. [2024-11-16 17:26:49,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-16 17:26:49,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:49,982 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:49,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 17:26:49,982 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:49,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:49,983 INFO L85 PathProgramCache]: Analyzing trace with hash 57288436, now seen corresponding path program 1 times [2024-11-16 17:26:49,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:49,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615032556] [2024-11-16 17:26:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:49,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:50,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:50,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615032556] [2024-11-16 17:26:50,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615032556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:50,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:50,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:26:50,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156887567] [2024-11-16 17:26:50,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:50,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:26:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:50,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:26:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:26:50,904 INFO L87 Difference]: Start difference. First operand 7999 states and 11790 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:51,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:51,727 INFO L93 Difference]: Finished difference Result 18126 states and 26478 transitions. [2024-11-16 17:26:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:26:51,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 327 [2024-11-16 17:26:51,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:51,761 INFO L225 Difference]: With dead ends: 18126 [2024-11-16 17:26:51,761 INFO L226 Difference]: Without dead ends: 11085 [2024-11-16 17:26:51,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:26:51,779 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 432 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:51,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1016 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 17:26:51,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11085 states. [2024-11-16 17:26:52,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11085 to 7478. [2024-11-16 17:26:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7478 states, 6400 states have (on average 1.409375) internal successors, (9020), 6418 states have internal predecessors, (9020), 970 states have call successors, (970), 107 states have call predecessors, (970), 107 states have return successors, (970), 952 states have call predecessors, (970), 970 states have call successors, (970) [2024-11-16 17:26:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7478 states to 7478 states and 10960 transitions. [2024-11-16 17:26:52,401 INFO L78 Accepts]: Start accepts. Automaton has 7478 states and 10960 transitions. Word has length 327 [2024-11-16 17:26:52,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:52,402 INFO L471 AbstractCegarLoop]: Abstraction has 7478 states and 10960 transitions. [2024-11-16 17:26:52,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 7478 states and 10960 transitions. [2024-11-16 17:26:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-16 17:26:52,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:52,406 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:52,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 17:26:52,407 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:52,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:52,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1018902453, now seen corresponding path program 1 times [2024-11-16 17:26:52,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:52,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339142708] [2024-11-16 17:26:52,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:52,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:26:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:26:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:26:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:26:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:26:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:26:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:26:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:26:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:26:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:26:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:26:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:26:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:26:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:26:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:26:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:26:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:26:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:26:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:26:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:26:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:26:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:26:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:26:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:26:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:26:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:26:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:26:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:26:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:26:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:26:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:26:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:26:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:26:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:26:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:26:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:26:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:26:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:26:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:26:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:26:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:26:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:26:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:26:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:26:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:26:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:26:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:26:56,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:26:56,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:26:56,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339142708] [2024-11-16 17:26:56,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339142708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:26:56,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:26:56,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 17:26:56,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380441118] [2024-11-16 17:26:56,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:26:56,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 17:26:56,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:26:56,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 17:26:56,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-16 17:26:56,860 INFO L87 Difference]: Start difference. First operand 7478 states and 10960 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:58,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:26:58,151 INFO L93 Difference]: Finished difference Result 15843 states and 23263 transitions. [2024-11-16 17:26:58,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 17:26:58,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 327 [2024-11-16 17:26:58,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:26:58,188 INFO L225 Difference]: With dead ends: 15843 [2024-11-16 17:26:58,188 INFO L226 Difference]: Without dead ends: 9370 [2024-11-16 17:26:58,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 17:26:58,205 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 555 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 17:26:58,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1810 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 17:26:58,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9370 states. [2024-11-16 17:26:58,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9370 to 7616. [2024-11-16 17:26:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7616 states, 6538 states have (on average 1.4096053839094524) internal successors, (9216), 6556 states have internal predecessors, (9216), 970 states have call successors, (970), 107 states have call predecessors, (970), 107 states have return successors, (970), 952 states have call predecessors, (970), 970 states have call successors, (970) [2024-11-16 17:26:58,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7616 states to 7616 states and 11156 transitions. [2024-11-16 17:26:58,894 INFO L78 Accepts]: Start accepts. Automaton has 7616 states and 11156 transitions. Word has length 327 [2024-11-16 17:26:58,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:26:58,895 INFO L471 AbstractCegarLoop]: Abstraction has 7616 states and 11156 transitions. [2024-11-16 17:26:58,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:26:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7616 states and 11156 transitions. [2024-11-16 17:26:58,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-16 17:26:58,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:26:58,899 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:26:58,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 17:26:58,900 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:26:58,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:26:58,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1378554937, now seen corresponding path program 1 times [2024-11-16 17:26:58,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:26:58,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854275720] [2024-11-16 17:26:58,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:26:58,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:26:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:27:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:27:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:27:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:27:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:27:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:27:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:27:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:27:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:27:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:27:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:27:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:27:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:27:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:27:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:27:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:27:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:27:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:27:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:27:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:27:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:27:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:27:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:27:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:27:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:27:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:27:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:27:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:27:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:27:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:27:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:27:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:27:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:27:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:27:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:27:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:27:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:27:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:27:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:27:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:27:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:27:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:27:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:27:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:27:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:27:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:27:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:27:00,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:27:00,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854275720] [2024-11-16 17:27:00,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854275720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:27:00,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:27:00,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 17:27:00,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655551056] [2024-11-16 17:27:00,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:27:00,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 17:27:00,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:27:00,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 17:27:00,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-16 17:27:00,140 INFO L87 Difference]: Start difference. First operand 7616 states and 11156 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-16 17:27:01,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:27:01,704 INFO L93 Difference]: Finished difference Result 20163 states and 29079 transitions. [2024-11-16 17:27:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 17:27:01,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 327 [2024-11-16 17:27:01,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:27:01,741 INFO L225 Difference]: With dead ends: 20163 [2024-11-16 17:27:01,742 INFO L226 Difference]: Without dead ends: 13691 [2024-11-16 17:27:01,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-16 17:27:01,761 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 978 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 17:27:01,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 1383 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 17:27:01,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13691 states. [2024-11-16 17:27:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13691 to 7840. [2024-11-16 17:27:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7840 states, 6742 states have (on average 1.4138237911598932) internal successors, (9532), 6760 states have internal predecessors, (9532), 970 states have call successors, (970), 127 states have call predecessors, (970), 127 states have return successors, (970), 952 states have call predecessors, (970), 970 states have call successors, (970) [2024-11-16 17:27:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7840 states to 7840 states and 11472 transitions. [2024-11-16 17:27:02,356 INFO L78 Accepts]: Start accepts. Automaton has 7840 states and 11472 transitions. Word has length 327 [2024-11-16 17:27:02,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:27:02,357 INFO L471 AbstractCegarLoop]: Abstraction has 7840 states and 11472 transitions. [2024-11-16 17:27:02,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-16 17:27:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 7840 states and 11472 transitions. [2024-11-16 17:27:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-16 17:27:02,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:27:02,361 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:27:02,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 17:27:02,361 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:27:02,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:27:02,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1367238810, now seen corresponding path program 1 times [2024-11-16 17:27:02,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:27:02,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878125329] [2024-11-16 17:27:02,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:27:02,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:27:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:27:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:27:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:27:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:27:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:27:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:27:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:27:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:27:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:27:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:27:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:27:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:27:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:27:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:27:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:27:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:27:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:27:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:27:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:27:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:27:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:27:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:27:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:27:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:27:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:27:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:27:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:27:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:27:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:27:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:27:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:27:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:27:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:27:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:27:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:27:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:27:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:27:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:27:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:27:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:27:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:27:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:27:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:27:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:27:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:27:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:27:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:27:03,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:27:03,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878125329] [2024-11-16 17:27:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878125329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:27:03,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:27:03,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 17:27:03,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080706104] [2024-11-16 17:27:03,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:27:03,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 17:27:03,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:27:03,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 17:27:03,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 17:27:03,415 INFO L87 Difference]: Start difference. First operand 7840 states and 11472 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:27:04,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:27:04,345 INFO L93 Difference]: Finished difference Result 18871 states and 27253 transitions. [2024-11-16 17:27:04,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 17:27:04,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 327 [2024-11-16 17:27:04,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:27:04,377 INFO L225 Difference]: With dead ends: 18871 [2024-11-16 17:27:04,378 INFO L226 Difference]: Without dead ends: 12211 [2024-11-16 17:27:04,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-16 17:27:04,400 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 378 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 17:27:04,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 617 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 17:27:04,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12211 states. [2024-11-16 17:27:05,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12211 to 7880. [2024-11-16 17:27:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7880 states, 6772 states have (on average 1.4119905493207325) internal successors, (9562), 6790 states have internal predecessors, (9562), 970 states have call successors, (970), 137 states have call predecessors, (970), 137 states have return successors, (970), 952 states have call predecessors, (970), 970 states have call successors, (970) [2024-11-16 17:27:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7880 states to 7880 states and 11502 transitions. [2024-11-16 17:27:05,353 INFO L78 Accepts]: Start accepts. Automaton has 7880 states and 11502 transitions. Word has length 327 [2024-11-16 17:27:05,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:27:05,354 INFO L471 AbstractCegarLoop]: Abstraction has 7880 states and 11502 transitions. [2024-11-16 17:27:05,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-16 17:27:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 7880 states and 11502 transitions. [2024-11-16 17:27:05,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-16 17:27:05,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:27:05,360 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 17:27:05,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 17:27:05,360 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:27:05,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:27:05,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1048789176, now seen corresponding path program 1 times [2024-11-16 17:27:05,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:27:05,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787196327] [2024-11-16 17:27:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:27:05,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:27:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:27:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:27:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:27:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:27:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:27:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:27:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:27:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:27:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:27:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:27:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:27:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:27:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:27:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:27:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:27:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:27:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:27:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 17:27:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 17:27:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 17:27:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 17:27:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 17:27:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 17:27:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 17:27:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 17:27:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 17:27:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 17:27:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 17:27:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 17:27:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 17:27:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 17:27:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 17:27:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 17:27:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-16 17:27:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 17:27:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 17:27:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 17:27:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 17:27:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 17:27:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 17:27:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 17:27:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 17:27:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 17:27:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 17:27:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 17:27:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-16 17:27:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:27:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-16 17:27:15,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:27:15,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787196327] [2024-11-16 17:27:15,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787196327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:27:15,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:27:15,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 17:27:15,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670265648] [2024-11-16 17:27:15,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:27:15,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 17:27:15,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:27:15,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 17:27:15,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-16 17:27:15,616 INFO L87 Difference]: Start difference. First operand 7880 states and 11502 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-16 17:27:21,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:27:21,006 INFO L93 Difference]: Finished difference Result 32092 states and 45176 transitions. [2024-11-16 17:27:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 17:27:21,007 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 327 [2024-11-16 17:27:21,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:27:21,066 INFO L225 Difference]: With dead ends: 32092 [2024-11-16 17:27:21,067 INFO L226 Difference]: Without dead ends: 25430 [2024-11-16 17:27:21,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2024-11-16 17:27:21,091 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 2156 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 2222 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 17:27:21,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2156 Valid, 2222 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 17:27:21,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25430 states.